An improved process for surface hardening of metals,申请号GB19520005199-传众专利搜索

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发明名称	An improved process for surface hardening of metals
摘要
申请公布号	GB716639(A)	申请公布日期	1954.10.13
申请号	GB19520005199	申请日期	1952.02.27
申请人	HANS MARIA WALTL	发明人
分类号	C21D1/40	主分类号	C21D1/40
代理机构		代理人
主权项
地址

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