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经营范围
发明名称
Polarized electromagnetic relay
摘要
申请公布号
GB737438(A)
申请公布日期
1955.09.28
申请号
GB19530030265
申请日期
1953.11.02
申请人
WILLIAM WARREN TRIGGS
发明人
分类号
H01H51/22
主分类号
H01H51/22
代理机构
代理人
主权项
地址
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