Alloy steel for the manufacture of wheels and tires,申请号US19400319237-传众专利搜索

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发明名称	Alloy steel for the manufacture of wheels and tires
摘要
申请公布号	US2247876(A)	申请公布日期	1941.07.01
申请号	US19400319237	申请日期	1940.02.16
申请人	THE MIDVALE COMPANY	发明人	FREVERT HARRY L.
分类号	C22C38/22	主分类号	C22C38/22
代理机构		代理人
主权项
地址

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