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发明名称
HYDRAULIC IMPACT MECHANISM
摘要
申请公布号
PL143947(B1)
申请公布日期
1988.03.31
申请号
PL19840248205
申请日期
1984.06.14
申请人
发明人
分类号
B25D;B25D9/12;B28D1/26;(IPC1-7):B25D9/12
主分类号
B25D
代理机构
代理人
主权项
地址
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