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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 19720-2005 |
Platinum jewellery alloys-Determination of platinum and palladium-Gravimetric method after precipitation of diammonium hexachloroplatinate and dimethylglyoxime 铂合金首饰 铂、钯含量的测定 氯铂酸铵重量法 丁二酮肟重量法 |
China National Standards well |
 English PDF |
| GB/T 19719-2005 |
Jewellery-Determination of the release of nickel-Method of spectrometry 首饰 镍释放量的测定 光谱法 |
China National Standards well |
English PDF |
| GB/T 19718-2005 |
Jewellery-Determination of nickel content-Method of flame atomic absorption spectrometry 首饰 镍含量的测定 火焰原子吸收光谱法 |
China National Standards well |
English PDF |
| GB/T 18996-2003 |
Determination of silver in silver jewellery alloys--Volumertic(potentiometric) method using sodium chloride or potassium chloride 银合金首饰中含银量的测定 氯化钠或氯化钾容量法(电位滴定法) |
China National Standards well |
English PDF |
| GB/T 7025.3-1997 |
Lifts--Main specifications and the dimension arrangements for its cars， wells and machinerooms--Part 3:Lifts of class V 电梯主参数及轿厢、井道、机房的形式与尺寸 第三部分:Ⅴ类电梯 |
China National Standards well |
English PDF |
| GB/T 13240-1991 |
Iron ore pellets--Determination of relative free swelling index 铁矿球团 相对自由膨胀指数的测定方法 |
China National Standards well |
English PDF |
| GB 11727-1989 |
Hygienic standard for room volume of dwelling house 住宅居室容积卫生标准 |
China National Standards well |
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 well |
English PDF |
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