Tall-form construction for a coustical ceilings,申请号US19610089606-传众专利搜索

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法人/股东/高管

发明名称	Tall-form construction for a coustical ceilings
摘要
申请公布号	US3023861(A)	申请公布日期	1962.03.06
申请号	US19610089606	申请日期	1961.02.13
申请人	ROLLFORM, INCORPORATED	发明人	BAK JOSEPH
分类号	E04B9/12	主分类号	E04B9/12
代理机构		代理人
主权项
地址

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