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发明名称
METHOD FOR BREAKING COAL BLOCKS
摘要
申请公布号
RU1809048(C)
申请公布日期
1993.04.15
申请号
SU19914912627
申请日期
1991.07.19
申请人
INSTITUT FIZIKI I MEKHANIKI GORNYKH POROD AN RESPUBLIKI KYRGYZSTAN
发明人
KAMCHYBEKOV DUJSHENBEK K;MATYKEEV KANYBEK K;KAMCHYBEKOV KUBATBEK K
分类号
E21C37/00;(IPC1-7):E21C37/00
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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