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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 223.42-1985 |
Methods for chemical analysis of iron，steel and alloy--The anion-exchange sEPAration-bromopyrogallol red photometric method for the determination of tantalumcontent 钢铁及合金化学分析方法 离子交换分离-溴邻苯三酚红光度法测定钽量 |
China National Standards EPA |
 English PDF |
| GB/T 223.41-1985 |
Methods for chemical analysis of iron，steel and alloy--The anion-exchange sEPAration-pyrogallol photometric method for the determination of tantalum content 钢铁及合金化学分析方法 离子交换分离-连苯三酚光度法测定钽量 |
China National Standards EPA |
English PDF |
| GB/T 223.38-1985 |
Methods for chemical analysis of iron，steel and alloy--The anion-exchange sEPAration-gravimetric method for the determination of niobium content 钢铁及合金化学分析方法 离子交换分离-重量法测定铌量 |
China National Standards EPA |
English PDF |
| GB/T 4771-1984 |
Released alkali tests of glasses and glass containers for pharmaceutical prEPArations 药用玻璃及其玻璃容器碱溶出量试验方法 |
China National Standards EPA |
English PDF |
| GB/T 4333.7-1984 |
Methods for chemical analysis of ferrosilicon--The chromatographic sEPAration-barium sulfate gravimetric method for the determination of sulfur content 硅铁化学分析方法 色层分离硫酸钡重量法测定硫量 |
China National Standards EPA |
English PDF |
| 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 EPA |
English PDF |
| GB/T 3320.2-1982 |
Tracking ability and channel sEPAration test record 循迹能力、声道分隔度测试唱片 |
China National Standards EPA |
English PDF |
| GB/T 2291-1980 |
Method for prEPAration of coal tar pitchs specimens 煤沥青试验室试样的制备方法 |
China National Standards EPA |
English PDF |
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