Apparatus for the production of hollow ingots,申请号US19330669046-传众专利搜索

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发明名称	Apparatus for the production of hollow ingots
摘要
申请公布号	US1996335(A)	申请公布日期	1935.04.02
申请号	US19330669046	申请日期	1933.05.02
申请人	FRASER-JONES LIMITED	发明人	JONES ERNEST FRASER;MAUSS WILHELM
分类号	B22D27/11	主分类号	B22D27/11
代理机构		代理人
主权项
地址

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