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一种用于金属管件热气压成形的冲头

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  • First Author:汤正英

  • Disigner of the Invention:hezhubin,yangshu,Chang Qi,yuanshijian

  • Authorization number:201910609792.5
Address: No.2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, P.R.C., 116024 Click:
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