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发明名称
Improvements in or relating to electromagnetic devices
摘要
申请公布号
GB683431(A)
申请公布日期
1952.11.26
申请号
GB19500015632
申请日期
1950.06.22
申请人
TELEPHONE MANUFACTURING COMPANY LIMITED
发明人
ROMMEL FREDERICK EMIL
分类号
H01H51/22
主分类号
H01H51/22
代理机构
代理人
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