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发明名称
Dispositif d'enregistrement photographique de la composition des trains de chemins de fer
摘要
申请公布号
FR682485(A)
申请公布日期
1930.05.28
申请号
FRD682485
申请日期
1929.01.15
申请人
发明人
MONCHAMPS ALBERT
分类号
B61L25/06
主分类号
B61L25/06
代理机构
代理人
主权项
地址
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