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发明名称
Verfahren zur Herstellung einer vakuumdichten Glasmetallverbindung
摘要
申请公布号
AT170114(B)
申请公布日期
1952.01.25
申请号
ATD170114
申请日期
1948.03.19
申请人
SIEMENS & HALSKE GESELLSCHAFT M. B. H.
发明人
DR. HERBERT KOENIG
分类号
主分类号
代理机构
代理人
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