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发明名称
Proximity switch
摘要
申请公布号
US3305805(A)
申请公布日期
1967.02.21
申请号
US19630323637
申请日期
1963.11.14
申请人
DAVID TANN
发明人
TANN DAVID
分类号
G01V3/08;H01H36/00;H03K17/95
主分类号
G01V3/08
代理机构
代理人
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