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发明名称
Improvements in or relating to parachute packs for aviators
摘要
申请公布号
GB720157(A)
申请公布日期
1954.12.15
申请号
GB19520016520
申请日期
1952.07.01
申请人
JAMES GREGORY
发明人
分类号
B64D17/52
主分类号
B64D17/52
代理机构
代理人
主权项
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