METHOD OF FORMING A COIL SPRING,申请号EP19810105289-传众专利搜索

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发明名称	METHOD OF FORMING A COIL SPRING
摘要
申请公布号	EP0044464(A3)	申请公布日期	1982.04.28
申请号	EP19810105289	申请日期	1981.07.08
申请人	NHK SPRING CO., LTD.	发明人	SHIBATA, MASAHARU;FURUYAMA, TSUTOMU
分类号	B21F3/00;B21F1/00;B21F3/02;B21F3/10;(IPC1-7):B21F3/02;B21F35/00	主分类号	B21F3/00
代理机构		代理人
主权项
地址

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