Apparatus for adding solid material to molten metal,申请号US19570642291-传众专利搜索

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发明名称	Apparatus for adding solid material to molten metal
摘要
申请公布号	US2872180(A)	申请公布日期	1959.02.03
申请号	US19570642291	申请日期	1957.02.25
申请人	A. J. BOYNTON & CO.	发明人	JR. RUDOLPH TIETIG,;JR. DANIEL J. POLLINGUE,
分类号	F27D3/00	主分类号	F27D3/00
代理机构		代理人
主权项
地址

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