MACHINE FOR PIERCING SHAFTS IN SHATTERED ORE AND ROCK MASSES,申请号BG19850072114-传众专利搜索

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发明名称	MACHINE FOR PIERCING SHAFTS IN SHATTERED ORE AND ROCK MASSES
摘要
申请公布号	BG40594(A1)	申请公布日期	1987.01.15
申请号	BG19850072114	申请日期	1985.10.23
申请人	DASKALOV,PETR G.;KESJAKOV,ISKRO K.	发明人	DASKALOV,PETR G.;KESJAKOV,ISKRO K.
分类号	E21D1/03;(IPC1-7):E21D1/03	主分类号	E21D1/03
代理机构		代理人
主权项
地址

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