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经营范围
发明名称
Improvements in or relating to toy aircraft
摘要
申请公布号
GB616997(A)
申请公布日期
1949.01.31
申请号
GB19460029103
申请日期
1946.09.30
申请人
JOHN ABEL JAMES DAY
发明人
分类号
A63H27/04;A63H27/133
主分类号
A63H27/04
代理机构
代理人
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