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发明名称
摘要
申请公布号	JPH08506644(A)	申请公布日期	1996.07.16
申请号	JP19920510896	申请日期	1992.04.16
申请人		发明人
分类号	B25D16/00;E21B6/06;F16D41/20;(IPC1-7):F16D41/20	主分类号	B25D16/00
代理机构		代理人
主权项
地址

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