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发明名称
Perfectionnements aux signaux lumineux à système dispersif dissymétrique
摘要
申请公布号
FR1078662(A)
申请公布日期
1954.11.22
申请号
FRD1078662
申请日期
1953.04.08
申请人
COMPAGNIE DES FREINS ET SIGNAUX WESTINGHOUSE
发明人
分类号
B61L5/18
主分类号
B61L5/18
代理机构
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