SCHERBACKENVORRICHTUNG ZUM EINBAU IN EINE BOHRLOCHSPERRVORRICHTUNG,申请号DE19790037061U-传众专利搜索

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发明名称	SCHERBACKENVORRICHTUNG ZUM EINBAU IN EINE BOHRLOCHSPERRVORRICHTUNG
摘要
申请公布号	DE7937061(U1)	申请公布日期	1985.01.10
申请号	DE19790037061U	申请日期	1979.01.31
申请人	CAMERON IRON WORKS, INC., HOUSTON, TEX., US	发明人
分类号	B23D21/00;E21B29/08;E21B33/06;(IPC1-7):E21B33/06	主分类号	B23D21/00
代理机构		代理人
主权项
地址

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