Roof and upper floor construction,申请号US19640384350-传众专利搜索

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发明名称	Roof and upper floor construction
摘要
申请公布号	US3313074(A)	申请公布日期	1967.04.11
申请号	US19640384350	申请日期	1964.07.22
申请人	DAVID M. WILSON	发明人	HUNTLEY JOSIAH D.
分类号	E04B5/40	主分类号	E04B5/40
代理机构		代理人
主权项
地址

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