LOCKING ASSEMBLY FOR WELL DEVICES,申请号SG19840000615-传众专利搜索

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发明名称	LOCKING ASSEMBLY FOR WELL DEVICES
摘要
申请公布号	SG61584(G)	申请公布日期	1985.08.16
申请号	SG19840000615	申请日期	1984.08.30
申请人	OTIS ENGINEERING CORPORATION	发明人
分类号	E21B23/02;F04D13/10;(IPC1-7):E21B23/02	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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