SUPPORT METAL FITTING OF OPERATION APPARATUS,申请号JP19810183034-传众专利搜索

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发明名称	SUPPORT METAL FITTING OF OPERATION APPARATUS
摘要
申请公布号	JPS5886284(A)	申请公布日期	1983.05.23
申请号	JP19810183034	申请日期	1981.11.17
申请人	HITACHI KENKI KK	发明人	HAYAKAWA YASUO
分类号	E21B7/00;E21B3/00	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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