Panel for multi-panel ventilation duct sound absorbers,申请号GB19810036750-传众专利搜索

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发明名称	Panel for multi-panel ventilation duct sound absorbers
摘要
申请公布号	GB2090912(A)	申请公布日期	1982.07.21
申请号	GB19810036750	申请日期	1981.12.07
申请人	G + H MONTAGE GMBH	发明人
分类号	E04B1/84;E04B1/86;E04C2/292;(IPC1-7):F01N7/18;F01N1/24	主分类号	E04B1/84
代理机构		代理人
主权项
地址

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