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经营范围
发明名称
Appareil à parachute
摘要
申请公布号
FR679872(A)
申请公布日期
1930.04.18
申请号
FRD679872
申请日期
1929.08.05
申请人
发明人
KELLER EMIL
分类号
B64D17/72
主分类号
B64D17/72
代理机构
代理人
主权项
地址
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