A helical spring, the process by which it is manufactured and the wire used for its manufacture,申请号EP19930402724-传众专利搜索

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发明名称	A helical spring, the process by which it is manufactured and the wire used for its manufacture
摘要
申请公布号	EP0596810(B1)	申请公布日期	1997.03.12
申请号	EP19930402724	申请日期	1993.11.05
申请人	ALLEVARD	发明人	DUCHEMIN, MICHEL L.
分类号	F16F1/04;(IPC1-7):F16F1/04	主分类号	F16F1/04
代理机构		代理人
主权项
地址

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