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发明名称
Magnetic position responsive device
摘要
申请公布号
US2569105(A)
申请公布日期
1951.09.25
申请号
US19480011143
申请日期
1948.02.26
申请人
JAMES WILLIAM J
发明人
JAMES WILLIAM J.
分类号
G01B7/02;G01D5/20;G01G3/15
主分类号
G01B7/02
代理机构
代理人
主权项
地址
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