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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 14235.1-1993 |
Testing method for melting point of pattern materials in investment casting 熔模铸造模料 熔点测定方法(冷却曲线法) |
China National Standards vest |
 English PDF |
| GB/T 12215-1990 |
Bauxite sand and flour for investment casting 熔模铸造用铝矾土砂、粉 |
China National Standards vest |
English PDF |
| GB/T 12214-1990 |
Silica sand and flour for investment casting 熔模铸造用硅砂、粉 |
China National Standards vest |
English PDF |
| GB/T 8822.5-1988 |
Seed zones of Chinese forest trees--Seed zones of Pinus sylvestris var.mongolica Litvin. 中国林木种子区 樟子松种子区 |
China National Standards vest |
English PDF |
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