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发明名称
Perfectionnements à la construction des postes récepteurs radiophoniques ou télégraphiques à lampes
摘要
申请公布号
FR38694(E)
申请公布日期
1931.06.26
申请号
FRD38694
申请日期
1930.02.04
申请人
发明人
BLONDEL ANDRE
分类号
H05K7/02
主分类号
H05K7/02
代理机构
代理人
主权项
地址
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