Improvements in or relating to the hardening of steel and alloy steels,申请号GB19340009587-传众专利搜索

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发明名称	Improvements in or relating to the hardening of steel and alloy steels
摘要
申请公布号	GB419196(A)	申请公布日期	1934.11.07
申请号	GB19340009587	申请日期	1934.03.27
申请人	ROBERT FEIX;EMMY SCHEINBERGER	发明人
分类号	C21D1/60	主分类号	C21D1/60
代理机构		代理人
主权项
地址

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