Improvements in or relating to the case hardening of alloy steels by nitrogenisation,申请号GB19330026724-传众专利搜索

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发明名称	Improvements in or relating to the case hardening of alloy steels by nitrogenisation
摘要
申请公布号	GB426207(A)	申请公布日期	1935.03.28
申请号	GB19330026724	申请日期	1933.09.28
申请人	E. I. DU PONT DE NEMOURS AND CO.;DONALD AUBREY HOLT	发明人
分类号	C23C8/50	主分类号	C23C8/50
代理机构		代理人
主权项
地址

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