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发明名称
Improvements in and relating to pontoons for hydro-aeroplanes
摘要
申请公布号
GB345754(A)
申请公布日期
1931.04.02
申请号
GB19300004236
申请日期
1930.02.07
申请人
HUGO SUNDSTEDT
发明人
分类号
B64C35/00
主分类号
B64C35/00
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