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发明名称
Instrument de navigation à valve de flux pour engins dirigeables tels qu'avions
摘要
申请公布号
FR931360(A)
申请公布日期
1948.02.20
申请号
FRD931360
申请日期
1946.07.25
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
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