Raccord pour perforatrice,申请号FRD1083328-传众专利搜索

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发明名称	Raccord pour perforatrice
摘要
申请公布号	FR1083328(A)	申请公布日期	1955.01.07
申请号	FRD1083328	申请日期	1953.09.14
申请人	CANADIAN INGERSOLL-RAND COMPANY LIMITED	发明人
分类号	E21B17/04	主分类号	E21B17/04
代理机构		代理人
主权项
地址

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