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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 16720.4-1998 |
Industrial automation systems--Manufacturing message specification--Part 4:Companion standardfor numerical control 工业自动化系统 制造报文规范 第4部分:数值控制用伴同标准 |
China National Standards standardfor |
 English PDF |
| GB 13114-1991 |
Hygienic standardfor polyethylene terephthalate resin used as food containers and packaging materials 食品容器及包装材料用聚对苯二甲酸乙二醇酯树脂卫生标准 |
China National Standards standardfor |
English PDF |
| GB 11657-1989 |
Health protection zone standardfor copper smeltery (closed blast furnace type) 铜冶炼厂(密闭鼓风炉型)卫生防护距离标准 |
China National Standards standardfor |
English PDF |
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