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发明名称
Dispositif de signalisation visuelle dans les recherches sur documents écrits
摘要
申请公布号
FR861361(A)
申请公布日期
1941.02.07
申请号
FRD861361
申请日期
1939.07.26
申请人
发明人
BOUSSUGES VVE;BERTRAND
分类号
B42D9/00
主分类号
B42D9/00
代理机构
代理人
主权项
地址
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