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发明名称
Dispositif pour manoeuvrer aisément le mécanisme de changement de couplage dans les postes émetteurs et récepteurs de t. s. f.
摘要
申请公布号
FR896397(A)
申请公布日期
1945.02.20
申请号
FRD896397
申请日期
1943.07.15
申请人
SOCIETE D'ETUDE, GENERALES OPTIQUES ET RADIOPHONIQUES
发明人
分类号
H01H3/20
主分类号
H01H3/20
代理机构
代理人
主权项
地址
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