WELL FISHING TOOL,申请号USD3527494-传众专利搜索

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法人/股东/高管

发明名称	WELL FISHING TOOL
摘要
申请公布号	US3527494(A)	申请公布日期	1970.09.08
申请号	USD3527494	申请日期	1968.06.06
申请人	FURMAN B. YOUNG	发明人	FURMAN B. YOUNG
分类号	E21B31/12;(IPC1-7):E21B31/02;E21C19/00	主分类号	E21B31/12
代理机构		代理人
主权项
地址

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