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发明名称
Recording apparatus
摘要
申请公布号
US2258700(A)
申请公布日期
1941.10.14
申请号
US19370142315
申请日期
1937.05.12
申请人
SCHLUMBERGER WELL SURVEYING CORPORATION
发明人
DOLL HENRI GEORGES
分类号
G01D15/14
主分类号
G01D15/14
代理机构
代理人
主权项
地址
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