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发明名称
Fabrication de pièces céramiques étanches sans phase vitreuse
摘要
申请公布号
FR55674(E)
申请公布日期
1952.09.03
申请号
FRD55674
申请日期
1943.09.11
申请人
SOCIETE FRANCAISE RADIO-ELECTRIQUE
发明人
分类号
C04B35/465
主分类号
C04B35/465
代理机构
代理人
主权项
地址
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