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发明名称
Parachute
摘要
申请公布号
US2235657(A)
申请公布日期
1941.03.18
申请号
US19380191845
申请日期
1938.02.22
申请人
RAOUL THORNBLAD AXEL
发明人
THORNBLAD AXEL RAOUL
分类号
B64D17/34
主分类号
B64D17/34
代理机构
代理人
主权项
地址
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