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经营范围
发明名称
PNEUMATIC HAMMER
摘要
申请公布号
SU848617(A1)
申请公布日期
1981.07.23
申请号
SU19792801623
申请日期
1979.07.26
申请人
NOVOSIBIRSKIJ VNII TRANSPORTNOGO STROITELSTVA
发明人
KAZAKOV VYACHESLAV P,SU;SLAVIN BORIS E,SU
分类号
E21C37/24;B25D9/00;E21C37/22;(IPC1-7):E21C3/24
主分类号
E21C37/24
代理机构
代理人
主权项
地址
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