Ring,申请号US19300505044-传众专利搜索

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发明名称	Ring
摘要
申请公布号	US1864318(A)	申请公布日期	1932.06.21
申请号	US19300505044	申请日期	1930.12.27
申请人	POWELL LEONARD E	发明人	POWELL LEONARD E.
分类号	A63B69/00	主分类号	A63B69/00
代理机构		代理人
主权项
地址

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