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发明名称
LUFTVERBESSERER FUER WOHNRAEUME.
摘要
申请公布号
DE1604559(U)
申请公布日期
1950.04.06
申请号
DE194900Z0048U
申请日期
1949.10.28
申请人
HEINRICH ZICK
发明人
HEINRICH ZICK
分类号
主分类号
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代理人
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