Improvements in or relating to processes for hardening alloy steels,申请号GB19310005963-传众专利搜索

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发明名称	Improvements in or relating to processes for hardening alloy steels
摘要
申请公布号	GB377244(A)	申请公布日期	1932.07.25
申请号	GB19310005963	申请日期	1931.02.25
申请人	WILLIAM HERBERT HATFIELD;HARRY GREEN	发明人
分类号	C23C8/26	主分类号	C23C8/26
代理机构		代理人
主权项
地址

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