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发明名称
Schlauchfoermiger Heizkoerper fuer mittelbar geheizte Kathoden
摘要
申请公布号
DE725145(C)
申请公布日期
1942.09.15
申请号
DE1937A082948D
申请日期
1937.05.15
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
WIEMANN ROBERT
分类号
H01J1/22
主分类号
H01J1/22
代理机构
代理人
主权项
地址
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