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经营范围
发明名称
Nouveau procédé de fabrication de verre ou glace renforcé
摘要
申请公布号
FR686271(A)
申请公布日期
1930.07.24
申请号
FRD686271
申请日期
1929.12.07
申请人
发明人
SCHMIDT MARIA
分类号
主分类号
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代理人
主权项
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