BAHOSHAN IRON & STEEL CO., LTD

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SHANGHAI, CN

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Cold state metal plate strip surface treatment system and treatment...
- Patent number 9,604,268
- Issue date Mar 28, 2017
- BAHOSHAN IRON & STEEL CO., LTD.
- Mingnan Duan
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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