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发明名称
PNEUMATIC DRILL HAMMER
摘要
申请公布号
SU1596106(A2)
申请公布日期
1990.09.30
申请号
SU19884389035
申请日期
1988.03.10
申请人
NOVOSIBIRSKIJ INZH-STR I IM.V.V.KUJBYSHEVA
发明人
ABRAMENKOV DMITRIJ E,SU;ABRAMENKOV EDUARD A,SU
分类号
E21C37/24;B25D9/00;E21B1/30
主分类号
E21C37/24
代理机构
代理人
主权项
地址
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