PDF(1138 KB)
DESIGN OF LASER DETECTING INSTRUMENT FOR RAILWAY TRACK FLATNESS
Xing Canhua ;and Zhang Dexiang
Journal of Geodesy and Geodynamics ›› 2012, Vol. 32 ›› Issue (6) : 160-163.
PDF(1138 KB)
PDF(1138 KB)
DESIGN OF LASER DETECTING INSTRUMENT FOR RAILWAY TRACK FLATNESS
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