Improvements in or relating to deep drawing dies,申请号GB19370017080-传众专利搜索

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发明名称	Improvements in or relating to deep drawing dies
摘要
申请公布号	GB486260(A)	申请公布日期	1938.06.01
申请号	GB19370017080	申请日期	1937.06.18
申请人	N. V. WALLRAMIT HANDEL MAATSCHAPPIJ	发明人
分类号	B21D22/28	主分类号	B21D22/28
代理机构		代理人
主权项
地址

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