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发明名称
PAROI D'ISOLATION PHONIQUE
摘要
申请公布号
FR2551784(B3)
申请公布日期
1985.08.23
申请号
FR19840000405
申请日期
1984.01.12
申请人
ALCOA NEDERLAND BV
发明人
分类号
E01F8/00;(IPC1-7):E01F8/00
主分类号
E01F8/00
代理机构
代理人
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