Position locating method
作者： Tom W Bouner
DOI:
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摘要:
lens.org 参考文章(4)
Goddard De Witt Rugg, Short dot test equipment ,(1941)
Arthur V Loughren, Position-indicating device ,(1944)
Lyman Joseph, Tridimensional radio direction indicator ,(1937)
Frederick W Lutz, Jr John D Peace, Gyro-stabilized reference point for cameras ,(1938)