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发明名称
PERCUSSIVE MECHANISM OF ELECTRODYNAMIC ACTION
摘要
申请公布号
SU1535978(A1)
申请公布日期
1990.01.15
申请号
SU19884372990
申请日期
1988.02.02
申请人
VNI PK I MASH DLYA DOBYCHI TVERDYKH POLEZNYKH ISKOPAEMYKH MIROVOGO OKEANA
发明人
KUZMENKO OLEG B,SU;NARYZHNYJ PAVEL F,SU;SHAKOVICH EDUARD T,SU
分类号
E21C37/00
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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