Improvements in the manufacture and production of nickel poor in carbon,申请号GB19380012707-传众专利搜索

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发明名称	Improvements in the manufacture and production of nickel poor in carbon
摘要
申请公布号	GB509076(A)	申请公布日期	1939.07.11
申请号	GB19380012707	申请日期	1938.04.28
申请人	GEORGE WILLIAM JOHNSON	发明人
分类号	C22B5/20	主分类号	C22B5/20
代理机构		代理人
主权项
地址

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