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发明名称
Lueftungsvorrichtung in Fenstern
摘要
申请公布号
DE1054224(B)
申请公布日期
1959.04.02
申请号
DE1953T008851
申请日期
1953.12.29
申请人
HERMANN TIETJENS
发明人
TIETJENS HERMANN
分类号
E06B7/02
主分类号
E06B7/02
代理机构
代理人
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