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发明名称
Perfectionnements aux dessins sur verre et analogues
摘要
申请公布号
FR39857(E)
申请公布日期
1932.03.18
申请号
FRD39857
申请日期
1931.03.11
申请人
LES ATELIERS GERMONDE
发明人
分类号
B44F7/00
主分类号
B44F7/00
代理机构
代理人
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