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发明名称
Perfectionnements aux systèmes de commande à distance
摘要
申请公布号
FR686037(A)
申请公布日期
1930.07.21
申请号
FRD686037
申请日期
1928.06.27
申请人
ASSOCIATED TELEPHONE & TELEGRAPH COMPANY
发明人
分类号
H02J13/00
主分类号
H02J13/00
代理机构
代理人
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