,申请号DE19762633043-传众专利搜索

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发明名称
摘要
申请公布号	DE2633043(B2)	申请公布日期	1980.02.07
申请号	DE19762633043	申请日期	1976.07.22
申请人	ECKEL MANUFACTURING CO., INC., ODESSA, TEX. (V.ST.A.)	发明人	ECKEL, EMERY LEE, ODESSA, TEX. (V.ST.A.)
分类号	E21B19/16;(IPC1-7):E21B19/16	主分类号	E21B19/16
代理机构		代理人
主权项
地址

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