Improvements in or relating to metal troughing,申请号GB19500009885-传众专利搜索

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发明名称	Improvements in or relating to metal troughing
摘要
申请公布号	GB678966(A)	申请公布日期	1952.09.10
申请号	GB19500009885	申请日期	1950.04.21
申请人	DORMAN LONG AND COMPANY LIMITED;JOHN BEESLEY	发明人
分类号	E01D19/12;E04B5/40	主分类号	E01D19/12
代理机构		代理人
主权项
地址

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