Detachable spur for roller skates,申请号US19500139973-传众专利搜索

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发明名称	Detachable spur for roller skates
摘要
申请公布号	US2546622(A)	申请公布日期	1951.03.27
申请号	US19500139973	申请日期	1950.01.23
申请人	D. P. HARRIS HDW. & MFG. CO., INC.	发明人	ABEL JACK
分类号	A63C17/26	主分类号	A63C17/26
代理机构		代理人
主权项
地址

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