Improvements in ice skating rinks,申请号GB19480028272-传众专利搜索

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发明名称	Improvements in ice skating rinks
摘要
申请公布号	GB651381(A)	申请公布日期	1951.03.14
申请号	GB19480028272	申请日期	1948.11.01
申请人	REUBEN JOHN YOCUM	发明人
分类号	E01C13/10	主分类号	E01C13/10
代理机构		代理人
主权项
地址

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