Vorrichtung zur bohrenden Gewinnung von Kohle,申请号DE1966H059918-传众专利搜索

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发明名称	Vorrichtung zur bohrenden Gewinnung von Kohle
摘要
申请公布号	DE1272854(B)	申请公布日期	1968.07.18
申请号	DE1966H059918	申请日期	1966.07.11
申请人	DR.-ING. HANSJOACHIM VON HIPPEL	发明人	HIPPEL DR.-ING. HANSJOACHIM VON
分类号	E21C31/02	主分类号	E21C31/02
代理机构		代理人
主权项
地址

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