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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4702.3-1984 |
Methods for chemical analysis of chromium Metal--The molybdenum blue photometric method for the determinationof phosphorus content 金属铬化学分析方法 钼蓝光度法测定磷量 |
China National Standards Meta |
 English PDF |
| GB/T 4215-1984 |
Determination of sound power levels of noise emitted by Metal cutting machine tools 金属切削机床噪声声功率级的测定 |
China National Standards Meta |
English PDF |
| GB/T 4194-1984 |
Creep testing，high temperature treatment and Metallographic examination of the tungsten wires 钨丝蠕变试验、高温处理及金相检查方法 |
China National Standards Meta |
English PDF |
| GB/T 3850-1983 |
Impermeable sintered Metal materials and hardmetals--Determination of density 致密烧结金属材料与硬质合金密度测定方法 |
China National Standards Meta |
English PDF |
| GB/T 3849-1983 |
HardMetals--Rockwell hardness (scaleA) test method 硬质合金洛氏硬度 (A标尺) 试验方法 |
China National Standards Meta |
English PDF |
| GB/T 3848-1983 |
HardMetals--Determination of (the magnetization) coercivity 硬质合金矫顽 (磁) 力测定方法 |
China National Standards Meta |
English PDF |
| GB/T 3489-1983 |
HardMetals--Metallographic determination of porosity and uncombined carbon 硬质合金 孔隙度和非化合碳的金相测定 |
China National Standards Meta |
English PDF |
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