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发明名称
Perfectionnements aux émetteurs télégraphiques à haute fréquence et analogues
摘要
申请公布号
FR821505(A)
申请公布日期
1937.12.07
申请号
FRD821505
申请日期
1937.05.07
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H04L27/04
主分类号
H04L27/04
代理机构
代理人
主权项
地址
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