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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HJ/T 404-2007 |
Technical guidelines for environmental protection in black metal smelting and expansion for check and accept of completed construction project 建设项目竣工环境保护验收技术规范 黑色金属冶炼及压延加工 |
China Environmental Protection Industry
Standards Black iron |
 English PDF |
| HG/T 2250-1991 |
(Black iron oxide pigments) 氧化铁黑颜料 |
China Chemical Industry
Standards Black iron |
English PDF |
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