Improvements in quenching devices,申请号GB19540019598-传众专利搜索

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发明名称	Improvements in quenching devices
摘要
申请公布号	GB759312(A)	申请公布日期	1956.10.17
申请号	GB19540019598	申请日期	1954.07.05
申请人	CATERPILLAR TRACTOR CO.	发明人
分类号	C21D1/667	主分类号	C21D1/667
代理机构		代理人
主权项
地址

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