Improvements in spacer members for the reinforcement in reinforced concrete structures,申请号GB19550011864-传众专利搜索

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发明名称	Improvements in spacer members for the reinforcement in reinforced concrete structures
摘要
申请公布号	GB789018(A)	申请公布日期	1958.01.15
申请号	GB19550011864	申请日期	1955.04.25
申请人	FERDINAND WILLIAM BERRY	发明人
分类号	E04C5/20	主分类号	E04C5/20
代理机构		代理人
主权项
地址

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