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经营范围
发明名称
Improvements in and relating to glass to metal seals
摘要
申请公布号
GB497644(A)
申请公布日期
1938.12.19
申请号
GB19370013976
申请日期
1937.05.19
申请人
THE GENERAL ELECTRIC COMPANY
发明人
分类号
C03C27/02
主分类号
C03C27/02
代理机构
代理人
主权项
地址
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