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发明名称
Verschlussvorrichtung fuer Fensteroeffnungen, insbesondere fuer Luftschutzzwecke
摘要
申请公布号
DE884568(C)
申请公布日期
1953.07.27
申请号
DE1943L000961D
申请日期
1943.12.23
申请人
LUDOWICI WILHELM DR.-ING.
发明人
LUDOWICI WILHELM DR.-ING.
分类号
E06B5/12
主分类号
E06B5/12
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代理人
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