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发明名称
Time delay relay
摘要
申请公布号
US2226070(A)
申请公布日期
1940.12.24
申请号
US19390305607
申请日期
1939.11.22
申请人
GUARDIAN ELECTRIC MANUFACTURING COMPANY
发明人
NELSEN MARVIN G.
分类号
H01H61/06
主分类号
H01H61/06
代理机构
代理人
主权项
地址
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