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发明名称
Alternating current fail safee system
摘要
申请公布号
US3024451(A)
申请公布日期
1962.03.06
申请号
US19590812616
申请日期
1959.05.12
申请人
SPERRY RAND CORPORATION
发明人
POTTER FRANCIS M.
分类号
B64D45/00;H02H3/347
主分类号
B64D45/00
代理机构
代理人
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