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发明名称
ANNEAUX D'ISOLATION ACOUSTIQUE
摘要
申请公布号
FR2587747(B3)
申请公布日期
1987.10.30
申请号
FR19850014183
申请日期
1985.09.25
申请人
ISOVER SAINT GOBAIN
发明人
YANN JEAN
分类号
E04C2/24;(IPC1-7):E04F13/16;E04B1/86;E04F13/18
主分类号
E04C2/24
代理机构
代理人
主权项
地址
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