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发明名称
Прибор для измерения кривизны буровых скважин
摘要
申请公布号
SU68407(A1)
申请公布日期
1946.11.30
申请号
SU19410344823
申请日期
1941.05.31
申请人
VELICHKIN E.A.
发明人
VELICHKIN E.A.
分类号
E21B47/022
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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