Improvements in and relating to gear-changing in toy vehicles,申请号GB19510026800-传众专利搜索

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发明名称	Improvements in and relating to gear-changing in toy vehicles
摘要
申请公布号	GB710895(A)	申请公布日期	1954.06.23
申请号	GB19510026800	申请日期	1951.11.15
申请人	HANS MANGOLD	发明人
分类号	A63H29/04	主分类号	A63H29/04
代理机构		代理人
主权项
地址

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