Improvements in and relating to Acoustical Panels,申请号GB19660055363-传众专利搜索

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发明名称	Improvements in and relating to Acoustical Panels
摘要
申请公布号	GB1177348(A)	申请公布日期	1970.01.07
申请号	GB19660055363	申请日期	1966.12.09
申请人	NATIONAL GYPSUM COMPANY	发明人
分类号	E04B1/84;E04B1/86	主分类号	E04B1/84
代理机构		代理人
主权项
地址

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