Toy railroad track layout,申请号US19450607134-传众专利搜索

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发明名称	Toy railroad track layout
摘要
申请公布号	US2479022(A)	申请公布日期	1949.08.16
申请号	US19450607134	申请日期	1945.07.26
申请人	THE LIONEL CORPORATION	发明人	PETTIT FRANK
分类号	A63H19/30	主分类号	A63H19/30
代理机构		代理人
主权项
地址

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