Mechanical sound attachment for toy locomotives,申请号US19330678074-传众专利搜索

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发明名称	Mechanical sound attachment for toy locomotives
摘要
申请公布号	US1941307(A)	申请公布日期	1933.12.26
申请号	US19330678074	申请日期	1933.06.28
申请人	HOWSER JR HARRY R	发明人	JR. HARRY R. HOWSER,
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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