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发明名称
Quartz-to-metal seal
摘要
申请公布号
US2699847(A)
申请公布日期
1955.01.18
申请号
US19490113644
申请日期
1949.09.01
申请人
GENERAL ELECTRIC COMPANY
发明人
NELSON EVAN HERBERT;WEALD HARROW;POWER ERNEST BENJAMIN
分类号
H01J5/32
主分类号
H01J5/32
代理机构
代理人
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地址
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