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发明名称
Nouveaux produits céramiques de coefficient de dilatation compris entre 45.10-7 et 60.10-7
摘要
申请公布号
FR60393(E)
申请公布日期
1954.11.02
申请号
FRD60393
申请日期
1950.06.15
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
C04B33/02;C04B37/04
主分类号
C04B33/02
代理机构
代理人
主权项
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