HYDRAULIC LOCK OF THE PACKER,申请号CS19780004539-传众专利搜索

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发明名称	HYDRAULIC LOCK OF THE PACKER
摘要
申请公布号	CS196196(B1)	申请公布日期	1980.03.31
申请号	CS19780004539	申请日期	1978.07.07
申请人	BARTUSEK,JAN,CS	发明人	BARTUSEK,JAN,CS
分类号	E21B33/12;(IPC1-7):E21B33/12	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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