SOUND ABSORBING DEVICE,申请号GB19800010455-传众专利搜索

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发明名称	SOUND ABSORBING DEVICE
摘要
申请公布号	GB2051913(B)	申请公布日期	1982.12.08
申请号	GB19800010455	申请日期	1980.03.28
申请人	SOUND ACOUSTICS LTD	发明人
分类号	E04B1/82;E04B1/84;(IPC1-7):E04B1/82	主分类号	E04B1/82
代理机构		代理人
主权项
地址

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