Toy construction set,申请号US19570677885-传众专利搜索

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发明名称	Toy construction set
摘要
申请公布号	US3002315(A)	申请公布日期	1961.10.03
申请号	US19570677885	申请日期	1957.08.13
申请人	BROMO MINT COMPANY	发明人	KUHN JAMES O.
分类号	A63H33/04	主分类号	A63H33/04
代理机构		代理人
主权项
地址

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