Apparatus for use in making castings,申请号US19300470415-传众专利搜索

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发明名称	Apparatus for use in making castings
摘要
申请公布号	US1925400(A)	申请公布日期	1933.09.05
申请号	US19300470415	申请日期	1930.07.24
申请人	NELSON LEWEN R	发明人	NELSON LEWEN R.
分类号	B22C9/06	主分类号	B22C9/06
代理机构		代理人
主权项
地址

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