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发明名称
Shockproof electromagnetic relay
摘要
申请公布号
US2481431(A)
申请公布日期
1949.09.06
申请号
US19430498031
申请日期
1943.08.10
申请人
WARD LEONARD ELECTRIC COMPANY
发明人
LOGAN FRANK G.
分类号
H01H50/30
主分类号
H01H50/30
代理机构
代理人
主权项
地址
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