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发明名称
Dispositif de télécommande particulièrement applicable aux passages à niveau
摘要
申请公布号
FR813638(A)
申请公布日期
1937.06.05
申请号
FRD813638
申请日期
1936.02.12
申请人
SOCIETE FRANCAISE RADIO-ELECTRIQUE
发明人
分类号
B61L29/28
主分类号
B61L29/28
代理机构
代理人
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