Rafter principals for use in roofs of large span,申请号US19530342879-传众专利搜索

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发明名称	Rafter principals for use in roofs of large span
摘要
申请公布号	US2802432(A)	申请公布日期	1957.08.13
申请号	US19530342879	申请日期	1953.03.17
申请人	MACLAINE PONT HENRI	发明人	PONT HENRI MACLAINE
分类号	E04B7/08	主分类号	E04B7/08
代理机构		代理人
主权项
地址

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