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发明名称
Perfectionnement aux procédés de soudure verre-métal
摘要
申请公布号
FR997294(A)
申请公布日期
1952.01.03
申请号
FRD997294
申请日期
1945.07.05
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
C03C27/04;C25F3/26
主分类号
C03C27/04
代理机构
代理人
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