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发明名称
Lueftungslaterne
摘要
申请公布号
DE496443(C)
申请公布日期
1930.04.17
申请号
DE1927F064580D
申请日期
1927.10.11
申请人
DIPL.-ING. THEODOR FREUDENTHAL
发明人
分类号
B63J2/10
主分类号
B63J2/10
代理机构
代理人
主权项
地址
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