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发明名称
PERFORATED SOUND ABSORBING PANELS
摘要
申请公布号
GB2203772(A)
申请公布日期
1988.10.26
申请号
GB19880004276
申请日期
1988.02.24
申请人
* GYPROC AB
发明人
LARS * FRIDH;STIG * INGEMANSSON
分类号
E04B9/00;(IPC1-7):E04B1/86;B32B3/24
主分类号
E04B9/00
代理机构
代理人
主权项
地址
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