,申请号JP19880105836-传众专利搜索

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发明名称
摘要
申请公布号	JPH0753369(B2)	申请公布日期	1995.06.07
申请号	JP19880105836	申请日期	1988.04.27
申请人		发明人
分类号	E21B3/00;B23B45/00;B28D1/14;(IPC1-7):B28D1/14;E21C1/02	主分类号	E21B3/00
代理机构		代理人
主权项
地址

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