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经营范围
发明名称
Installation de transmission d'ondes à fréquence très élevée.
摘要
申请公布号
CH233481(A)
申请公布日期
1944.07.31
申请号
CHD233481
申请日期
1938.09.15
申请人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
发明人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
分类号
H01P1/16;H01P1/165
主分类号
H01P1/16
代理机构
代理人
主权项
地址
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