Puzzles of the jigsaw type,申请号US19610116106-传众专利搜索

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发明名称	Puzzles of the jigsaw type
摘要
申请公布号	US3193294(A)	申请公布日期	1965.07.06
申请号	US19610116106	申请日期	1961.06.09
申请人	IRWIN WILLIAM R	发明人	IRWIN WILLIAM R.
分类号	A63F9/10	主分类号	A63F9/10
代理机构		代理人
主权项
地址

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