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发明名称
Utilisation des sables magnésiens dans la fabrication des tuyaux et accessoires de grès et grès cérames vitrifiés
摘要
申请公布号
FR751726(A)
申请公布日期
1933.09.08
申请号
FRD751726
申请日期
1933.03.02
申请人
发明人
LARGE JEAN-MARIE
分类号
C03C1/00
主分类号
C03C1/00
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代理人
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