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发明名称
Two-speed parachute
摘要
申请公布号
US3140067(A)
申请公布日期
1964.07.07
申请号
US19620228604
申请日期
1962.10.05
申请人
JOHNSTON HOWARD R
发明人
JOHNSTON HOWARD R.
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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