Acoustical tile or the like and its manufacture,申请号US19590850632-传众专利搜索

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发明名称	Acoustical tile or the like and its manufacture
摘要
申请公布号	US3074505(A)	申请公布日期	1963.01.22
申请号	US19590850632	申请日期	1959.11.03
申请人	SCHULZ KURT W	发明人	SCHULZ KURT W.
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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