Ice-skating rink,申请号US19560625031-传众专利搜索

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发明名称	Ice-skating rink
摘要
申请公布号	US2878652(A)	申请公布日期	1959.03.24
申请号	US19560625031	申请日期	1956.11.29
申请人	COMB DAVID M	发明人	COMB DAVID M.
分类号	F25C3/02	主分类号	F25C3/02
代理机构		代理人
主权项
地址

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