An improved girder,申请号GB19460001548-传众专利搜索

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发明名称	An improved girder
摘要
申请公布号	GB604737(A)	申请公布日期	1948.07.08
申请号	GB19460001548	申请日期	1946.01.16
申请人	DOUGLAS HAROLD GREEN	发明人
分类号	E04C3/292	主分类号	E04C3/292
代理机构		代理人
主权项
地址

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