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发明名称
DOPPELSEITIG WIRKENDE FIRSTENTLÜFTUNG
摘要
申请公布号
AT4776(U1)
申请公布日期
2001.11.26
申请号
AT20000000920U
申请日期
2000.12.15
申请人
PREFA ALUMINIUMPRODUKTE GESMBH
发明人
分类号
E04D3/40;E04D13/17;(IPC1-7):E04D13/17
主分类号
E04D3/40
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代理人
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