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发明名称
Perfectionnements apportés aux appareils électriques du genre conjoncteurs ou semblables, notamment aux clés téléphoniques
摘要
申请公布号
FR732407(A)
申请公布日期
1932.09.20
申请号
FRD732407
申请日期
1932.02.27
申请人
ASSOCIATION DES OUVRIERS EN INSTRUMENTS DE PRECISION
发明人
分类号
H01H21/50
主分类号
H01H21/50
代理机构
代理人
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地址
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