Blow tube for core boxes,申请号US19500146866-传众专利搜索

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发明名称	Blow tube for core boxes
摘要
申请公布号	US2687559(A)	申请公布日期	1954.08.31
申请号	US19500146866	申请日期	1950.02.28
申请人	PETERSON EDWIN F	发明人	PETERSON EDWIN F.
分类号	B22C15/24	主分类号	B22C15/24
代理机构		代理人
主权项
地址

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