Wooden truss for roofs,申请号US19390253490-传众专利搜索

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发明名称	Wooden truss for roofs
摘要
申请公布号	US2187009(A)	申请公布日期	1940.01.16
申请号	US19390253490	申请日期	1939.01.30
申请人	N. O. HIPEL, LIMITED	发明人	BEATTIE WILLIAM COCKBURN
分类号	E04C3/42	主分类号	E04C3/42
代理机构		代理人
主权项
地址

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