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发明名称
Verfahren zur Herstellung von evakuierten Glasgefaessen mit einem federnd in der Gefaesswand angebrachten Schalthebel
摘要
申请公布号
DE516256(C)
申请公布日期
1931.01.21
申请号
DENDATS083761D
申请日期
申请人
SIEMENS-SCHUCKERTWERKE AKT.-GES.
发明人
分类号
H01H33/66
主分类号
H01H33/66
代理机构
代理人
主权项
地址
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