Apparatus for producing refractory rods,申请号US19430484946-传众专利搜索

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发明名称	Apparatus for producing refractory rods
摘要
申请公布号	US2591561(A)	申请公布日期	1952.04.01
申请号	US19430484946	申请日期	1943.04.28
申请人	ELGIN NATIONAL WATCH COMPANY	发明人	LESTER RAYMOND HOLMES;CANNON MELVIN CROXALL;JR. FRANK CREIGHTON ALEXANDER,
分类号	C30B11/10	主分类号	C30B11/10
代理机构		代理人
主权项
地址

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