KOMBINACNI ZDVOJENA SLOUPOVA TRUBKA PRO DESTRUKCI HORNIN,申请号CS19850007537-传众专利搜索

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发明名称	KOMBINACNI ZDVOJENA SLOUPOVA TRUBKA PRO DESTRUKCI HORNIN
摘要
申请公布号	CS8507537(A1)	申请公布日期	1987.12.17
申请号	CS19850007537	申请日期	1985.10.21
申请人	THOMASCHEWSKI SIEGMAR,DD;RETTIG WINFRIED,DD;WIESECKE KARL,DD	发明人	THOMASCHEWSKI SIEGMAR,DD;RETTIG WINFRIED,DD;WIESECKE KARL,DD
分类号	E21B;E21B10/02;E21B17/00;E21B25/00;(IPC1-7):E21B17/00	主分类号	E21B
代理机构		代理人
主权项
地址

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