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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 27973-2011 Methods for chemical analysis of volatilized silica

    China National - GB Standards
    GB/T 27972-2011 Dry-hanging hollow ceramic slab

    China National - GB Standards
    GB/T 27971-2011 Non-metallic gaskets - Terms

    China National - GB Standards
    GB/T 27970-2011 Test method for weight loss of non-metallic gasket materials upon exposure to elevated temperatures

    China National - GB Standards
    GB/T 27969-2011 The system of assess and the method of monitor for the energy consumption per unit products of architecture and sanitary ceramics

    China National - GB Standards
    GB/T 27946-2011 Limited value of hazardous substance in the air of heat treatment working place

    China National - GB Standards
    GB/T 27945.3-2011 The management of hazardous solid wastes from heat treatment salts Part 3 £ºMethod of innocent treatment

    China National - GB Standards
    GB/T 27945.2-2011 The management of hazardous solid wastes from heat treatment salts Part 2£ºTest method of extractives

    China National - GB Standards
    GB/T 27945.1-2011 The management of hazardous solid wastes from heat treatment salt Part 1 £ºGeneral management

    China National - GB Standards
    GB/T 27944-2011 Dryseal pipe threads with the thread angle of 60 degrees

    China National - GB Standards
    GB/T 27943-2011 Heat pump driven liquid desiccant outdoor air processor with heat recovery

    China National - GB Standards
    GB/T 27942-2011 Small capacity scroll compressor for automotive air condition

    China National - GB Standards
    GB/T 27941-2011 Code of design and installation for multi-split air conditioning £¨heat pump£©system

    China National - GB Standards
    GB/T 27940-2011 Single-stage positive displacement refrigerant compressors parallel unit for commercial refrigeration application

    China National - GB Standards
    GB/T 27939-2011 Plain bearings - Quality control techniques and inspection of geometrical and material quality characteristics

    China National - GB Standards
    GB/T 27938-2011 Plain bearings - Thrust washers - Terms, appearance of damage and cause of failure

    China National - GB Standards
    GB/T 27692-2011 Acidity iron pellet for blast furnace

    China National - GB Standards
    GB/T 27691-2011 Wire rod for steel cord

    China National - GB Standards
    GB/T 27688-2011 Scraps of niobium and niobium alloy

    China National - GB Standards
    GB/T 27687-2011 Scraps of molybdenum and molybdenum alloy

    China National - GB Standards
    GB/T 27686-2011 The metal scraps in waste electrical and electronic equipment

    China National - GB Standards
    GB/T 27685-2011 Portable aluminium alloy ladders

    China National - GB Standards
    GB/T 27684-2011 Seamless and welded fittings for titanium and titanium alloy

    China National - GB Standards
    GB/T 27683-2011 Specifications for recovery of cutting filings of free-cutting copper alloys

    China National - GB Standards
    GB/T 27682-2011 Copper slag concentrate

    China National - GB Standards
    GB/T 27681-2011 Specification on zero emissions and recycling of cooling water during melting and casting for copper and copper alloy

    China National - GB Standards
    GB/T 27680-2011 Copper£¬lead £¬zinc and nickel concentrates - Experimental methods for checking the bias of sampling

    China National - GB Standards
    GB/T 27679-2011 Copper, lead, zinc and nickel concentrates - Experimental methods for checking the precision of sampling

    China National - GB Standards
    GB/T 27678-2011 The technical specification of waste water recycle fo hydrometallurgical zinc enterprise

    China National - GB Standards
    GB/T 27677-2011 Aluminium hardeners

    China National - GB Standards

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