Dust-collecting hood,申请号US19610160432-传众专利搜索

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发明名称	Dust-collecting hood
摘要
申请公布号	US3148614(A)	申请公布日期	1964.09.15
申请号	US19610160432	申请日期	1961.12.19
申请人	UNITED STATES STEEL CORPORATION	发明人	NIELSEN JOY W.
分类号	B22D45/00	主分类号	B22D45/00
代理机构		代理人
主权项
地址

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