Core for undercut cup-shaped articles,申请号US19290388903-传众专利搜索

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发明名称	Core for undercut cup-shaped articles
摘要
申请公布号	US1769455(A)	申请公布日期	1930.07.01
申请号	US19290388903	申请日期	1929.08.28
申请人	DOEHLER DIE-CASTING CO.	发明人	PICKERING THEODORE
分类号	B22C9/10	主分类号	B22C9/10
代理机构		代理人
主权项
地址

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