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发明名称
Perfectionnements aux instruments de navigation et plus particulièrement aux dérivomètres
摘要
申请公布号
FR843569(A)
申请公布日期
1939.07.05
申请号
FRD843569
申请日期
1938.09.16
申请人
BENDIX AVIATION CORPORATION
发明人
分类号
G01C21/20
主分类号
G01C21/20
代理机构
代理人
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地址
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