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发明名称
APPARATUS FOR DRILLING BLAST HOLES
摘要
申请公布号
SU1043300(A1)
申请公布日期
1983.09.23
申请号
SU19813309807
申请日期
1981.07.02
申请人
SIBIRSKOE N-PROIZV LESOZAGOTOVITELNOE OBEDINENIE
发明人
BYCHIN VIKTOR I,SU;GORSHKOV VLADIMIR I,SU;MANAKOV VLADIMIR A,SU;GUMNITSKIJ ISAAK Z,SU;KUZOV VYACHESLAV M,SU
分类号
E21B3/00;E21B19/24;(IPC1-7):E21C1/02
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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