Novel transverse board feeding and conveying device of plasterboards
DUAN GUOXING, ZHAO LIZHU, CAO GUOLIANG, LI WEI, LIU YING, YI YINGDONG, ZHAO HEJUN
Year of Publication 09.02.2011
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Year of Publication 09.02.2011
Patent
Method for quickly and accurately measuring grade of gypsum
LU YAN, ZHAO LIZHU, CAO ZHIQIANG, GAO JIAMING, DUAN GUANGMING, LI WEI, LIU YING, ZHAO HEJUN, REN XULIAN
Year of Publication 12.05.2010
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Year of Publication 12.05.2010
Patent