METHOD OF DUST CONTROL IN EXCAVATION OF ROCK AT BELOW-ZERO TEMPERATURES,申请号SU19884420934-传众专利搜索

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发明名称	METHOD OF DUST CONTROL IN EXCAVATION OF ROCK AT BELOW-ZERO TEMPERATURES
摘要
申请公布号	SU1537835(A1)	申请公布日期	1990.01.23
申请号	SU19884420934	申请日期	1988.03.24
申请人	PROIZV OB PO DOBYCHE UGLYA "YAKUTUGOL"	发明人	UMANTSEV RODION F,SU;KUDRYASHOV VALERIJ V,SU;SHURINOVA MARINA K,SU;SAFONOV MIKHAIL V,SU;RYABCHIKOV VYACHESLAV T,SU
分类号	E21F5/02	主分类号	E21F5/02
代理机构		代理人
主权项
地址

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