Sound system for model railways,申请号US19610112326-传众专利搜索

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发明名称	Sound system for model railways
摘要
申请公布号	US3061973(A)	申请公布日期	1962.11.06
申请号	US19610112326	申请日期	1961.05.24
申请人	ANNIE H. GONZALES	发明人	OBERDORF GEORGE S.
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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