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Adjustable contrast optical target device for test of acquisition of photoelectric theodolite
XiaoXin Sun, XiangHeng Shen, SuHua Wang, Lu YeVolume:
56
Language:
english
DOI:
10.1007/s11431-013-5282-6
Date:
August, 2013
File:
PDF, 693 KB
english, 2013