Improvements in, or relating to, furnaces for the heat treatment of materials,申请号GB19480002643-传众专利搜索

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发明名称	Improvements in, or relating to, furnaces for the heat treatment of materials
摘要
申请公布号	GB632130(A)	申请公布日期	1949.11.16
申请号	GB19480002643	申请日期	1948.01.29
申请人	JOHN SUMMERS & SONS LIMITED;JOHN FREDERICK ROBERT JONES	发明人
分类号	C21D9/70	主分类号	C21D9/70
代理机构		代理人
主权项
地址

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