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发明名称
SHOCK-ABSORBING MECHANISM FOR HYDRAULIC HAMMERING DEVICE
摘要
申请公布号
EP0856637(A4)
申请公布日期
2001.09.26
申请号
EP19960935341
申请日期
1996.10.16
申请人
FURUKAWA CO., LTD.
发明人
KANEKO, TSUTOMU
分类号
B25D9/26;B25D9/14;B25D17/24;E21B1/00;E21B1/02;E21B1/26;E21B1/38;E21B6/00;(IPC1-7):E21C3/04
主分类号
B25D9/26
代理机构
代理人
主权项
地址
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