MODEL RAILWAY TRACK,申请号USD3620451-传众专利搜索

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发明名称	MODEL RAILWAY TRACK
摘要
申请公布号	US3620451(A)	申请公布日期	1971.11.16
申请号	USD3620451	申请日期	1969.04.24
申请人	ERNST PAUL LEHMANN	发明人	WOLFGANG RICHTER
分类号	A63H19/30;(IPC1-7):A63H19/30	主分类号	A63H19/30
代理机构		代理人
主权项
地址

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