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发明名称
Parachute attachment for airplanes
摘要
申请公布号
US2161722(A)
申请公布日期
1939.06.06
申请号
US19380221210
申请日期
1938.07.25
申请人
SAMUEL PAPP
发明人
PAPP SAMUEL
分类号
B64D25/12
主分类号
B64D25/12
代理机构
代理人
主权项
地址
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