Portable chess or checkerboard with game piece retaining means,申请号US19460658971-传众专利搜索

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发明名称	Portable chess or checkerboard with game piece retaining means
摘要
申请公布号	US2454639(A)	申请公布日期	1948.11.23
申请号	US19460658971	申请日期	1946.04.02
申请人	WILLIAM EDWARDS RAYMOND	发明人	EDWARDS RAYMOND WILLIAM
分类号	A63F3/02	主分类号	A63F3/02
代理机构		代理人
主权项
地址

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