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发明名称
Procédé de contrôle photographique des arrivées de courses et dispositif destiné à son application
摘要
申请公布号
FR827934(A)
申请公布日期
1938.05.06
申请号
FRD827934
申请日期
1937.10.15
申请人
发明人
RACINE JEAN
分类号
G03B15/00
主分类号
G03B15/00
代理机构
代理人
主权项
地址
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