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发明名称
DEVICE FOR SECURING AND CLEANING PINNED COMBS OF A DRAWING-HEAD TRACK
摘要
申请公布号
EP1583854(A1)
申请公布日期
2005.10.12
申请号
EP20030796116
申请日期
2003.11.27
申请人
N. SCHLUMBERGER S.A.
发明人
DUMAS, JEAN-LOUIS;GAIRE, GERARD;SCHAFFHAUSER, JEAN, BAPTISTE
分类号
D01H5/08;D01H5/64;D01H13/14;(IPC1-7):D01H5/64
主分类号
D01H5/08
代理机构
代理人
主权项
地址
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