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发明名称
Procédé rendant infalsifiables les photographies et écritures surtous documents d'identité ou autres
摘要
申请公布号
BE476328(A1)
申请公布日期
1947.10.31
申请号
BE19470476328
申请日期
1947.09.26
申请人
Vincenzo Barra;Giovanni Barra
发明人
Vincenzo Barra;Giovanni Barra
分类号
G03C1/46
主分类号
G03C1/46
代理机构
代理人
主权项
地址
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