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经营范围
发明名称
Improvements relating to retractable undercarriages
摘要
申请公布号
GB457983(A)
申请公布日期
1936.12.07
申请号
GB19350016602
申请日期
1935.06.07
申请人
GEORGE HERBERT DOWTY
发明人
分类号
B64C25/22
主分类号
B64C25/22
代理机构
代理人
主权项
地址
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