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发明名称
Automatic electric switch
摘要
申请公布号
US2284756(A)
申请公布日期
1942.06.02
申请号
US19410404413
申请日期
1941.07.28
申请人
ALEX MEYER
发明人
MEYER ALEX
分类号
H01H73/30
主分类号
H01H73/30
代理机构
代理人
主权项
地址
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