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发明名称
Azimuth data providing system for dirigible craft
摘要
申请公布号
US2699612(A)
申请公布日期
1955.01.18
申请号
US19500141439
申请日期
1950.01.31
申请人
THE SPERRY CORPORATION
发明人
2ND SPENCER KELLOGG
分类号
G01C19/36
主分类号
G01C19/36
代理机构
代理人
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地址
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