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发明名称
PRE-INSULATED VENTILATION CONDUIT AND METHOD OF MANUFACTURING THE SAME
摘要
申请公布号
EP1974161(A2)
申请公布日期
2008.10.01
申请号
EP20060831691
申请日期
2006.10.02
申请人
LIBRIZZI, GIUSEPPE
发明人
LIBRIZZI, GIUSEPPE
分类号
F16L9/22;F16L59/14;F24F13/02
主分类号
F16L9/22
代理机构
代理人
主权项
地址
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