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发明名称
DEVICE FOR PNEUMATICALLY CHARGING BLASTING CHAMBERS WITH PELLETIZED EXPLOSIVES
摘要
申请公布号
SU720156(A1)
申请公布日期
1980.03.05
申请号
SU19772555500
申请日期
1977.12.19
申请人
SEVERO-KAVKAZSKIJ GORNO-METALLURGICHESKIJ INSTITUT
发明人
EMEKEEV VYACHESLAV ,SU;SERGEEV VYACHESLAV V,SU
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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