Zig-zag spring machine,申请号US19620178853-传众专利搜索

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发明名称	Zig-zag spring machine
摘要
申请公布号	US3180371(A)	申请公布日期	1965.04.27
申请号	US19620178853	申请日期	1962.03.12
申请人	WESLEY HUGHES JOHN	发明人	HUGHES JOHN WESLEY
分类号	B21F35/04	主分类号	B21F35/04
代理机构		代理人
主权项
地址

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