Auxiliary adjusting and positioning trolley for mounting bridge bearings
ZHENG NAIGANG, SHEN KECHENG, SUN BAIHUI, CAO DEZHI, HUANG HUI, SUN JUNHONG, PAN YUJUN
Year of Publication 13.01.2010
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Year of Publication 13.01.2010
Patent
Movable material distributing device used for ballastless track bed concrete pouring
YANG DAYONG, SHEN KECHENG, SUN BAIHUI, CAO DEZHI, HUANG HUI, SUN JUNHONG, PAN YUJUN
Year of Publication 07.10.2009
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Year of Publication 07.10.2009
Patent