中文

DIE CAPABLE OF ACHIEVING RAPID FORMING AND QUENCHING THEREIN

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  • First Author:yuanshijian

  • Disigner of the Invention:hezhubin,Fan Xiaobo,linyanli,王国峰,Chang Qi

  • Authorization number:US 10576524B1

Address: No.2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, P.R.C., 116024 Click:
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