Casting of ferrous ingots,申请号US19550541958-传众专利搜索

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发明名称	Casting of ferrous ingots
摘要
申请公布号	US2837800(A)	申请公布日期	1958.06.10
申请号	US19550541958	申请日期	1955.10.21
申请人	YAWATA IRON AND STEEL CO., LTD.	发明人	HACHIYA SHIGEO;UCHIYAMA TATSUHEI;AIHARA MASUMI
分类号	B22D27/20;C21C7/06	主分类号	B22D27/20
代理机构		代理人
主权项
地址

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