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发明名称
An improved winding gear for the driving rubber of toy aeroplanes
摘要
申请公布号
GB505257(A)
申请公布日期
1939.05.04
申请号
GB19370030264
申请日期
1937.11.04
申请人
WALLIS RIGBY
发明人
分类号
A63H27/14;A63H27/22
主分类号
A63H27/14
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代理人
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