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经营范围
发明名称
Perfectionnements aux générateurs d'oscillations à ondes courtes
摘要
申请公布号
FR751250(A)
申请公布日期
1933.08.29
申请号
FRD751250
申请日期
1933.02.23
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LTD
发明人
分类号
H01J25/68
主分类号
H01J25/68
代理机构
代理人
主权项
地址
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