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经营范围
发明名称
An improved thermal time-delay electric relay
摘要
申请公布号
GB646518(A)
申请公布日期
1950.11.22
申请号
GB19480006041
申请日期
1948.02.27
申请人
GUARDIAN ELECTRIC MANUFACTURING CO.
发明人
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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