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发明名称
VIBRATION-DAMPING DEVICE FOR HAND PERFORATOR DRILL
摘要
申请公布号
SU994709(A2)
申请公布日期
1983.02.07
申请号
SU19813348709
申请日期
1981.10.28
申请人
VNI PK I GORNORUDNOGO MASHINOSTROENIYA
发明人
NEJMIRKO IOSIF V,SU;SHAPOVALOV EVGENIJ A,SU;SUPRUN ANATOLIJ K,SU;BOGONOS VALERIJ N,SU
分类号
E21B1/00;B25D17/24;(IPC1-7):E21C3/04
主分类号
E21B1/00
代理机构
代理人
主权项
地址
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