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发明名称
Time-delay electric switch
摘要
申请公布号
US2429457(A)
申请公布日期
1947.10.21
申请号
US19450571923
申请日期
1945.01.08
申请人
FOLEY JOSEPH J
发明人
FOLEY JOSEPH J.
分类号
H01H7/03
主分类号
H01H7/03
代理机构
代理人
主权项
地址
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