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经营范围
发明名称
Parachute apparatus
摘要
申请公布号
US2117319(A)
申请公布日期
1938.05.17
申请号
US19370154358
申请日期
1937.07.19
申请人
HART RICHARD H
发明人
HART RICHARD H.
分类号
B64D17/00
主分类号
B64D17/00
代理机构
代理人
主权项
地址
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