LL,申请号AU19770025659-传众专利搜索

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发明名称	LL
摘要
申请公布号	AU505832(B2)	申请公布日期	1979.12.06
申请号	AU19770025659	申请日期	1977.05.31
申请人	COOPER INDUSTRIES, INC.	发明人	C.A. DURAND
分类号	B23Q1/00;E21B19/08;(IPC1-7):E21C11/00	主分类号	B23Q1/00
代理机构		代理人
主权项
地址

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