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发明名称
Global positioning system receiver with improved radio frequency and digital processing
摘要
申请公布号
US4928106(A)
申请公布日期
1990.05.22
申请号
US19880219353
申请日期
1988.07.14
申请人
ASHTECH TELESIS, INC.
发明人
ASHJAEE, JAVAD;HELKEY, ROGER J.;LORENZ, ROBERT G.;SUTHERLAND, ROBERT A.
分类号
G01S19/32;G01S5/14;G01S19/37;G01S19/43
主分类号
G01S19/32
代理机构
代理人
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地址
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