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发明名称
Improvements in or relating to vacuum-tight seals for current leads into quartz or refractory glass vessels
摘要
申请公布号
GB396103(A)
申请公布日期
1933.07.31
申请号
GB19320002889
申请日期
1932.01.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
C03C27/02;H01J5/32
主分类号
C03C27/02
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