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发明名称
TORPEDO FOR BLASTING ROCK MASS
摘要
申请公布号
SU739919(A1)
申请公布日期
1983.01.15
申请号
SU19782704421
申请日期
1978.12.26
申请人
GNI PK P UGOLNYJ I "PECHORNIIPROEKT"
发明人
GUSELNIKOV L.M.,SU;SHISHKIN V.P.,SU;KRETOV P.P.,SU;OSIPOV A.N.,SU
分类号
E21C37/00;F42D1/22;F42D3/04;(IPC1-7):21C37/00;42D3/04
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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