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发明名称
Magnetometer
摘要
申请公布号
US1943850(A)
申请公布日期
1934.01.16
申请号
US19290334339
申请日期
1929.01.22
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
TRUMAN ORLEY H.
分类号
G01R33/038
主分类号
G01R33/038
代理机构
代理人
主权项
地址
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