Golf putting practice device,申请号US19640406096-传众专利搜索

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发明名称	Golf putting practice device
摘要
申请公布号	US3313544(A)	申请公布日期	1967.04.11
申请号	US19640406096	申请日期	1964.10.23
申请人	DAVIS EDWARD R	发明人	DAVIS EDWARD R.
分类号	A63B57/00;A63B69/36;A63B71/04	主分类号	A63B57/00
代理机构		代理人
主权项
地址

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