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发明名称
Improvements relating to toy airscrew devices
摘要
申请公布号
GB616743(A)
申请公布日期
1949.01.26
申请号
GB19460027253
申请日期
1946.09.11
申请人
THOMAS GILBERT LEIGHTON TUSTIN
发明人
分类号
A63H27/127;A63H27/14
主分类号
A63H27/127
代理机构
代理人
主权项
地址
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