Molten metal seal for annealing furnaces,申请号US19420464234-传众专利搜索

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发明名称	Molten metal seal for annealing furnaces
摘要
申请公布号	US2401170(A)	申请公布日期	1946.05.28
申请号	US19420464234	申请日期	1942.11.02
申请人	THE AMERICAN STEEL AND WIRE COMPANY	发明人	LEPKA FRED
分类号	C21D9/673	主分类号	C21D9/673
代理机构		代理人
主权项
地址

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