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经营范围
发明名称
DRILL BAR FOR PERFORATOR DRILLING
摘要
申请公布号
SU1601312(A1)
申请公布日期
1990.10.23
申请号
SU19884462877
申请日期
1988.07.18
申请人
VNII BEZOPASNOSTI TRUDA V GORNORUDNOJ PROMY;KRIVOROZHSKIJ ZAVOD GORNOGO OBORU "KOMMUNIST"
发明人
ZHIVOTOVSKIJ ANATOLIJ A,SU;SUPRUN ANATOLIJ K,SU;SNIZHKO ALEKSEJ P,SU;MARKITAN VLADIMIR V,SU;OLKHOVOJ VIKTOR M,SU
分类号
E21B17/00
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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