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发明名称
Biplane-parachute
摘要
申请公布号
US1851712(A)
申请公布日期
1932.03.29
申请号
US19310539327
申请日期
1931.05.22
申请人
FRANK LOSKE
发明人
LOSKE FRANK
分类号
B64D17/54
主分类号
B64D17/54
代理机构
代理人
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地址
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