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发明名称	ARCHED CONCRETE CONSTRUCTIONS
摘要
申请公布号	CA491606(A)	申请公布日期	1953.03.24
申请号	CAD491606	申请日期
申请人	BOWEN-COLTHURST AND PARTNERS LIMITED	发明人	JAMES HARDRESS DE WARRENNE WALLER
分类号		主分类号
代理机构		代理人
主权项
地址

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