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发明名称
Systèmes de signalisation électrique
摘要
申请公布号
FR941962(A)
申请公布日期
1949.01.26
申请号
FRD941962
申请日期
1947.02.18
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
WHIRTER ERIC MALCOLM SWIFT MC;DUNN ROLAND HARRIS;LENNOX PETER WILLIAM
分类号
G08C15/12
主分类号
G08C15/12
代理机构
代理人
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地址
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