APPARATUS FOR CORRECTING SHAPE OF A CLAMPING-EXPANDING RING,申请号PL19850252711-传众专利搜索

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发明名称	APPARATUS FOR CORRECTING SHAPE OF A CLAMPING-EXPANDING RING
摘要
申请公布号	PL144101(B1)	申请公布日期	1988.04.30
申请号	PL19850252711	申请日期	1985.04.01
申请人		发明人
分类号	B21D3/14;B23P6/00;F16B;(IPC1-7):B21D3/14	主分类号	B21D3/14
代理机构		代理人
主权项
地址

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