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发明名称
Electrical contact device
摘要
申请公布号
US2491603(A)
申请公布日期
1949.12.20
申请号
US19480032230
申请日期
1948.06.10
申请人
BEAR MANUFACTURING COMPANY
发明人
BROOKS CHARLES H.
分类号
G01M1/22;H01H35/10
主分类号
G01M1/22
代理机构
代理人
主权项
地址
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