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发明名称
Appareil récepteur de t. s. f. à combinateur multiple
摘要
申请公布号
FR678244(A)
申请公布日期
1930.03.20
申请号
FRD678244
申请日期
1929.07.10
申请人
发明人
DIVARD JOSEPH
分类号
H01H19/62
主分类号
H01H19/62
代理机构
代理人
主权项
地址
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