Core and process of forming the same,申请号US19270200283-传众专利搜索

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发明名称	Core and process of forming the same
摘要
申请公布号	US1751482(A)	申请公布日期	1930.03.25
申请号	US19270200283	申请日期	1927.06.20
申请人	LEASMAN EMIL L	发明人	LEASMAN EMIL L.
分类号	B22C1/18	主分类号	B22C1/18
代理机构		代理人
主权项
地址

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