Sector puzzle construction,申请号US19480051338-传众专利搜索

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法人/股东/高管

发明名称	Sector puzzle construction
摘要
申请公布号	US2712447(A)	申请公布日期	1955.07.05
申请号	US19480051338	申请日期	1948.09.27
申请人	HARTLEY STEINHARDT IRVING	发明人	STEINHARDT IRVING HARTLEY
分类号	A63F9/00;A63F9/12	主分类号	A63F9/00
代理机构		代理人
主权项
地址

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