Ejecting mechanism for headers,申请号US19390311748-传众专利搜索

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发明名称	Ejecting mechanism for headers
摘要
申请公布号	US2271257(A)	申请公布日期	1942.01.27
申请号	US19390311748	申请日期	1939.12.30
申请人	THE NATIONAL MACHINERY COMPANY	发明人	FRIEDMAN JOHN HENRY
分类号	B21J13/14	主分类号	B21J13/14
代理机构		代理人
主权项
地址

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