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发明名称
Circuit de voie réversible
摘要
申请公布号
FR1129230(A)
申请公布日期
1957.01.17
申请号
FRD1129230
申请日期
1955.07.25
申请人
COMPAGNIE DE SIGNAUX ET D'ENTREPRISES ELECTRIQUES
发明人
分类号
B61L1/18
主分类号
B61L1/18
代理机构
代理人
主权项
地址
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