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经营范围
发明名称
Block automatique par circuits de voie sans joints isolants
摘要
申请公布号
FR1124189(A)
申请公布日期
1956.10.05
申请号
FRD1124189
申请日期
1955.03.29
申请人
COMPAGNIE DE SIGNAUX & D'ENTREPRISES ELECTRIQUES
发明人
分类号
B61L13/00
主分类号
B61L13/00
代理机构
代理人
主权项
地址
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