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一种管材内高压成形时减小导向区摩擦的装置

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  • Type of Patent:Invention

  • Application Date:2006-12-01

  • Authorization number:ZL200610151146.1

  • Service Invention or Not:no

  • Application Date:2006-12-01
Address: No.2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, P.R.C., 116024 Click:
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