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经营范围
发明名称
Dispositif de signalisation lumineuse pour passages à niveau
摘要
申请公布号
FR766144(A)
申请公布日期
1934.06.21
申请号
FRD766144
申请日期
1933.12.26
申请人
发明人
SEVELLEC EUGENE CYPRIEN
分类号
B61L29/28
主分类号
B61L29/28
代理机构
代理人
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