Die for making right angles on steel,申请号US19650500705-传众专利搜索

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发明名称	Die for making right angles on steel
摘要
申请公布号	US3400568(A)	申请公布日期	1968.09.10
申请号	US19650500705	申请日期	1965.10.22
申请人	JOHN F. CECH	发明人	BRANDNER ERNEST E.
分类号	B21D19/00;B21D19/08	主分类号	B21D19/00
代理机构		代理人
主权项
地址

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