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发明名称
Système de dalle de verre opalescente pour plafonds lumineux et son procédé de fabrication
摘要
申请公布号
FR779387(A)
申请公布日期
1935.04.03
申请号
FRD779387
申请日期
1933.12.30
申请人
发明人
DUMAS PIERRE
分类号
C03C17/00
主分类号
C03C17/00
代理机构
代理人
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