Improvements in or relating to the surface hardening of metal articles,申请号GB19370008135-传众专利搜索

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发明名称	Improvements in or relating to the surface hardening of metal articles
摘要
申请公布号	GB485231(A)	申请公布日期	1938.05.17
申请号	GB19370008135	申请日期	1937.03.19
申请人	WILLIAM EDWIN SYKES	发明人
分类号	C21D1/08	主分类号	C21D1/08
代理机构		代理人
主权项
地址

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