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发明名称
Magnetic gradiometer system
摘要
申请公布号
US3064185(A)
申请公布日期
1962.11.13
申请号
US19440549872
申请日期
1944.08.17
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
FERGUSON JOHN G.
分类号
G01R33/022
主分类号
G01R33/022
代理机构
代理人
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地址
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