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扩管成形多轴应力状态动摩擦系数测量装置

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Type of Patent:发明专利
Authorization number:CN201034576
Service Invention or Not:no
Application Date:2020-05-13
Publication Date:2008-05-01
Authorization Date:2007-11-01

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扩管成形多轴应力状态动摩擦系数测量装置