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发明名称
Transformator zur Heizung der Verstaerkerroehren eines Netzanschlussgeraetes mittelsdem Netz entnommenen Wechselstromes
摘要
申请公布号
DE562303(C)
申请公布日期
1932.11.10
申请号
DENDATM107927D
申请日期
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LTD.
发明人
分类号
H04B15/00
主分类号
H04B15/00
代理机构
代理人
主权项
地址
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