Improvements relating to the decarburisation of cast-iron,申请号GB19570019481-传众专利搜索

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发明名称	Improvements relating to the decarburisation of cast-iron
摘要
申请公布号	GB835463(A)	申请公布日期	1960.05.18
申请号	GB19570019481	申请日期	1957.06.20
申请人	OTTO HILGER;HELLMUT FRIEDRICHS	发明人
分类号	C21D5/10	主分类号	C21D5/10
代理机构		代理人
主权项
地址

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