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发明名称
Système de signalisation électrique à distance
摘要
申请公布号
FR930972(A)
申请公布日期
1948.02.10
申请号
FRD930972
申请日期
1946.04.11
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HARTLEY GEORGE CLIFFORD;WHIRTER ERIC MALCOLM SWIFT MC;HANDLEY JOHN
分类号
G08C19/28
主分类号
G08C19/28
代理机构
代理人
主权项
地址
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