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发明名称
Neigungsmesser
摘要
申请公布号
DE1258121(B)
申请公布日期
1968.01.04
申请号
DE1963O009599
申请日期
1963.08.06
申请人
OYO CHISHITSU CO. LTD.
发明人
KANEKO TETSUICHI
分类号
E21B47/022;G01B7/30;G01C9/00;G01C9/12
主分类号
E21B47/022
代理机构
代理人
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