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发明名称
Dispositif permettant d'assurer la visibilité au travers d'une vitre
摘要
申请公布号
FR923822(A)
申请公布日期
1947.07.18
申请号
FRD923822
申请日期
1946.03.14
申请人
CESARE SPEICH
发明人
分类号
B60S1/02
主分类号
B60S1/02
代理机构
代理人
主权项
地址
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