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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 3653.5-1983 |
Methods for chemical analysis of ferRoboron--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content 硼铁化学分析方法 色层分离硫酸钡重量法测定硫量 |
China National Standards rR |
 English PDF |
| GB/T 3653.2-1983 |
Methods for chemical analysis of ferRoboron--The gasometric method for the determination of carbon content 硼铁化学分析方法 气体容量法测定碳量 |
China National Standards rR |
English PDF |
| GB/T 3455-1982 |
Electrical characteristics for unbalanced double-curRent interchange circuits 非平衡双流接口电路的电特性 |
China National Standards rR |
English PDF |
| GB/T 3142-1982 |
Lubricants--Determination of load-carRying capacity (four balls method) 润滑剂承载能力测定法 (四球法) |
China National Standards rR |
English PDF |
| GB/T 3240-1982 |
PreferRed frequencies for the acoustical measurement 声学测量中的常用频率 |
China National Standards rR |
English PDF |
| GB/T 3009-1982 |
Ships corRosion-resistant plugs 船用防蚀螺塞 |
China National Standards rR |
English PDF |
| GB/T 2880-1981 |
Hydraulic fluid power--Cylinder rod and piston seals for reciprocating applications--Dimensions andtolerances of housings--NarRow section series 液压缸活塞和活塞杆 窄断面动密封沟槽尺寸系列和公差 |
China National Standards rR |
English PDF |
| GB/T 391-1977 |
Determination of corRosion of engine lubricating oils 发动机润滑油腐蚀度测定法 |
China National Standards rR |
English PDF |
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