A ROOF AND A BEAM ELEMENT AND STRUCTURAL BEAM,申请号GB19680055723-传众专利搜索

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发明名称	A ROOF AND A BEAM ELEMENT AND STRUCTURAL BEAM
摘要
申请公布号	GB1255936(A)	申请公布日期	1971.12.01
申请号	GB19680055723	申请日期	1968.11.25
申请人	HUECO, S.A.	发明人
分类号	E04D13/03;E04B7/12	主分类号	E04D13/03
代理机构		代理人
主权项
地址

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