Improvements relating to steel hardening machines,申请号GB19480018855-传众专利搜索

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发明名称	Improvements relating to steel hardening machines
摘要
申请公布号	GB667961(A)	申请公布日期	1952.03.12
申请号	GB19480018855	申请日期	1948.08.14
申请人	NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	SMITH HENRY GEORGE
分类号	C21D9/22	主分类号	C21D9/22
代理机构		代理人
主权项
地址

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