Abbauvorrichtung fuer unloesliche Massen, insbesondere Ton, durch Ausspuelen von Bohrloechern,申请号DED544182D-传众专利搜索

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发明名称	Abbauvorrichtung fuer unloesliche Massen, insbesondere Ton, durch Ausspuelen von Bohrloechern
摘要
申请公布号	DE544182(C)	申请公布日期	1932.02.15
申请号	DED544182D	申请日期	1930.12.03
申请人	GEORG ROTHGIESSER	发明人
分类号	E21B7/28;E21B10/32;E21B43/29	主分类号	E21B7/28
代理机构		代理人
主权项
地址

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