METHOD OF DRIVING AND SUPPORTING MINE WORKINGS,申请号SU19874299250-传众专利搜索

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发明名称	METHOD OF DRIVING AND SUPPORTING MINE WORKINGS
摘要
申请公布号	SU1514945(A1)	申请公布日期	1989.10.15
申请号	SU19874299250	申请日期	1987.06.16
申请人	KARAGANDINSKIJ POLT IG PI "KARAGANDAGIPROSHAKHT" V OBEDINENIYA "SOYUZSHAKHTOSTROJ"	发明人	PAK PLATON P,SU;STRATOV VALERIJ G,SU;KELLER ARTUR V,SU
分类号	E21D11/00	主分类号	E21D11/00
代理机构		代理人
主权项
地址

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