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经营范围
发明名称
Improvements in and relating to electric switches for radio telegraphy and telephony
摘要
申请公布号
GB411589(A)
申请公布日期
1934.06.14
申请号
GB19330002924
申请日期
1933.01.30
申请人
IDEAL WERKE AKTIENGESELLSCHAFT FUER DRAHTLOSE TELEPHONIE
发明人
分类号
H01H21/22
主分类号
H01H21/22
代理机构
代理人
主权项
地址
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