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发明名称
Verfahren zum Zusammenbau von Vakuumgefäßen.
摘要
申请公布号
AT159658(B)
申请公布日期
1940.10.25
申请号
ATD159658
申请日期
1937.07.31
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
分类号
主分类号
代理机构
代理人
主权项
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