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经营范围
发明名称
HYDRAULIC BIT FOR DRILLING SHOT HOLES
摘要
申请公布号
RU1779744(C)
申请公布日期
1992.12.07
申请号
SU19884627083
申请日期
1988.12.28
申请人
EX ZAVOD PO IZGOTOVLENIYU O MASHIN REMONTU OBORU DLYA GIDRODOBYCHI UGLYA "GIDROMASH" N-PROIZV OBEDINENIYA "PROKOPEVSKGIDROUGOL"
发明人
BURCHAKOV ANATOLIJ S,SU;MIKHEEV OLEG V,SU;ATRUSHKEVICH ARKADIJ A,SU;LOKTIONOV ANDREJ A,SU;MALYSHEV VLADIMIR N,SU
分类号
E21B3/00;B23B45/04
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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