METHOD OF DRIVING A SLOPING TRENCH,申请号SU19792803333-传众专利搜索

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发明名称	METHOD OF DRIVING A SLOPING TRENCH
摘要
申请公布号	SU875039(A1)	申请公布日期	1981.10.23
申请号	SU19792803333	申请日期	1979.07.25
申请人	VGNI PI ASBESTOVOJ PROMYSHLENNOSTI	发明人	TETERIN YURIJ A,SU
分类号	E21C41/00;(IPC1-7):E21C41/00	主分类号	E21C41/00
代理机构		代理人
主权项
地址

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