Manufacture of magnetic materials,申请号US19390267606-传众专利搜索

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发明名称	Manufacture of magnetic materials
摘要
申请公布号	US2200491(A)	申请公布日期	1940.05.14
申请号	US19390267606	申请日期	1939.04.13
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	JR. ROBERT P. CROSS,;OGDEN ARTHUR N.
分类号	B22F9/00;H01F1/24	主分类号	B22F9/00
代理机构		代理人
主权项
地址

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