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发明名称
Verdunklungs- und Abblendvorrichtungen für elektrische Lichtquellen zu Luftschutzzwecken.
摘要
申请公布号
AT157826(B)
申请公布日期
1940.01.25
申请号
ATD157826
申请日期
1937.11.06
申请人
PAUL FRITZ SCHOENBERNER
发明人
PAUL FRITZ SCHOENBERNER
分类号
主分类号
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