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发明名称
Scellement de métal dans le verre et alliage de scellement
摘要
申请公布号
FR951795(A)
申请公布日期
1949.11.03
申请号
FRD951795
申请日期
1947.08.08
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
C03C27/02
主分类号
C03C27/02
代理机构
代理人
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地址
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