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发明名称
METHOD OF BREAKING ROCKS WITH SHOCK PULSES
摘要
申请公布号
SU857415(A1)
申请公布日期
1981.08.23
申请号
SU19731871578
申请日期
1973.01.15
申请人
SP K BYURO V PROMYSHLENNOGO OBEDINENIYA "SOYUZGEOTEKHNIKA" MINISTERSTVA GEOLOGII SSSR
发明人
KISELEV ANDREJ T,SU;KOGAN DAVID I,SU;MELAMED YURIJ A,SU;SMIRNOV OLEG V,SU;GRAF LEONID E,SU
分类号
E21B4/06;(IPC1-7):E21B4/06
主分类号
E21B4/06
代理机构
代理人
主权项
地址
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