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发明名称
Wartungsfreie Vorrichtung zur rauch- und brandsicheren Abschottung einer Lüftungsrohrleitung
摘要
申请公布号
DE19634305(B4)
申请公布日期
2007.01.18
申请号
DE19961034305
申请日期
1996.08.24
申请人
SCHULTE, GUENTER
发明人
SCHULTE, GUENTER
分类号
F16L5/04;A62C2/18
主分类号
F16L5/04
代理机构
代理人
主权项
地址
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