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发明名称
METHOD OF FORMING CUTTING-IN SPACE
摘要
申请公布号
SU724730(A1)
申请公布日期
1980.03.30
申请号
SU19782674385
申请日期
1978.10.18
申请人
VOSTOCHNYJ NI GORNORUDNYJ INSTITUT
发明人
EFREMOV ALEKSANDR V,SU;FEDORENKO ANATOLIJ ,SU;SHAPOSHNIKOV VIKTOR D,SU;KOPYTOV ALEKSANDR ,SU
分类号
F42D3/04;E21C37/00;E21D9/00;(IPC1-7):E21C37/00
主分类号
F42D3/04
代理机构
代理人
主权项
地址
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