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发明名称
A PISTON CONSTRUCTION FOR AN AXIAL BEARING OF A DRILLING MACHINE
摘要
申请公布号
EP0868263(A1)
申请公布日期
1998.10.07
申请号
EP19960933451
申请日期
1996.10.09
申请人
TAMROCK OY
发明人
MUUTTONEN, TIMO
分类号
B25D9/26;B25D9/14;B25D17/24;E21B1/00;E21B1/26;(IPC1-7):B25D9/26;E21C3/04
主分类号
B25D9/26
代理机构
代理人
主权项
地址
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