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发明名称
Relay recorder
摘要
申请公布号
US2887624(A)
申请公布日期
1959.05.19
申请号
US19540453594
申请日期
1954.09.01
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HERTOG MARTINUS DEN
分类号
H01H47/00;H04Q3/00;H04Q3/42
主分类号
H01H47/00
代理机构
代理人
主权项
地址
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