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摘要
申请公布号
US1921795(A)
申请公布日期
1933.08.08
申请号
US19310574517
申请日期
1931.11.12
申请人
ALLEN-BRADLEY COMPANY
发明人
WILMS GUSTAV O.
分类号
H01H35/34
主分类号
H01H35/34
代理机构
代理人
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