,申请号DE19702015618-传众专利搜索

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发明名称
摘要
申请公布号	DE2015618(A1)	申请公布日期	1970.10.08
申请号	DE19702015618	申请日期	1970.04.02
申请人		发明人
分类号	F04B49/02;F16H61/46;(IPC1-7):E21B3/12	主分类号	F04B49/02
代理机构		代理人
主权项
地址

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