Retractable goal posts,申请号US19570690787-传众专利搜索

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发明名称	Retractable goal posts
摘要
申请公布号	US2884252(A)	申请公布日期	1959.04.28
申请号	US19570690787	申请日期	1957.10.17
申请人	THOMPSON JAMES E	发明人	THOMPSON JAMES E.
分类号	A63B63/00	主分类号	A63B63/00
代理机构		代理人
主权项
地址

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