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发明名称
GREENED SOUND-ABSORBING STRUCTURE
摘要
申请公布号
PT1609913(E)
申请公布日期
2009.12.10
申请号
PT20050012715T
申请日期
2005.06.14
申请人
OFFICINE MACCAFERRI SPA.;EUROAMBIENTE S.R.L.
发明人
FRANCESCO FERRAIOLO;STEFANO ZELARI
分类号
E01F8/02
主分类号
E01F8/02
代理机构
代理人
主权项
地址
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