Punch machine for punching electrical heater elements,申请号US19460707106-传众专利搜索

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发明名称	Punch machine for punching electrical heater elements
摘要
申请公布号	US2543527(A)	申请公布日期	1951.02.27
申请号	US19460707106	申请日期	1946.11.01
申请人	JOHN GYURIS	发明人	GYURIS JOHN
分类号	B21D31/02	主分类号	B21D31/02
代理机构		代理人
主权项
地址

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