Combined toy railroad and sound producing means therefor,申请号US19460649877-传众专利搜索

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发明名称	Combined toy railroad and sound producing means therefor
摘要
申请公布号	US2459038(A)	申请公布日期	1949.01.11
申请号	US19460649877	申请日期	1946.02.25
申请人	MCKNIGHT JOSEPH H	发明人	MCKNIGHT JOSEPH H.
分类号	A63H19/14	主分类号	A63H19/14
代理机构		代理人
主权项
地址

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