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发明名称
Système de commande démultiplicatrice pour récepteurs de t. s. f.
摘要
申请公布号
FR819642(A)
申请公布日期
1937.10.22
申请号
FRD819642
申请日期
1937.03.23
申请人
SOCIETE DES ETABLISSEMENTS HANNECART & DANNAY
发明人
分类号
H03J1/14
主分类号
H03J1/14
代理机构
代理人
主权项
地址
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