Improvements in or relating to the corrugation of metal sheets,申请号GB19300034255-传众专利搜索

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发明名称	Improvements in or relating to the corrugation of metal sheets
摘要
申请公布号	GB366617(A)	申请公布日期	1932.02.11
申请号	GB19300034255	申请日期	1930.11.14
申请人	RICHARD FELIX SUMMERS;JOHN SUMMERS & SONS LIMITED;HENRY BURROWS JOHNSON	发明人
分类号	B21D13/04	主分类号	B21D13/04
代理机构		代理人
主权项
地址

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