Improvements in or relating to re-inforced concrete constructional elements,申请号GB19290009002-传众专利搜索

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发明名称	Improvements in or relating to re-inforced concrete constructional elements
摘要
申请公布号	GB308268(A)	申请公布日期	1930.04.03
申请号	GB19290009002	申请日期	1929.03.20
申请人	AUGUSTE LEFEVRE	发明人
分类号	A01G9/20	主分类号	A01G9/20
代理机构		代理人
主权项
地址

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