Silicon electrical steel,申请号US19410374301-传众专利搜索

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发明名称	Silicon electrical steel
摘要
申请公布号	US2304518(A)	申请公布日期	1942.12.08
申请号	US19410374301	申请日期	1941.01.13
申请人	THE AMERICAN STEEL AND WIRE COMPANY	发明人	WILLIAMS ALVIN R.
分类号	C21D3/04	主分类号	C21D3/04
代理机构		代理人
主权项
地址

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