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发明名称
Balloon structure with release mechanism
摘要
申请公布号
US3131889(A)
申请公布日期
1964.05.05
申请号
US19610145229
申请日期
1961.10.16
申请人
RAVEN INDUSTRIES, INC.
发明人
YOST PAUL E.
分类号
B64B1/40
主分类号
B64B1/40
代理机构
代理人
主权项
地址
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