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发明名称
Parachute
摘要
申请公布号
US1803903(A)
申请公布日期
1931.05.05
申请号
US19280326530
申请日期
1928.12.17
申请人
CASPER JENEZON ALBERT
发明人
JENEZON ALBERT CASPER
分类号
B64D25/12
主分类号
B64D25/12
代理机构
代理人
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