Modular clean room ventilation control system
ZHANG SHAOMEI, CHEN YINGCHUN, HAN ZHENZHAI, ZHAO YANBIAO, GUO HONGFENG
Year of Publication 26.04.2024
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Year of Publication 26.04.2024
Patent
Land use change in metropolitan fringe based on topography factors.. A case study of Pinggu District,Beijing
Guo Hongfeng, China AgricuLtural University, Beijing(China),Colleage of Resources and Environmental Sciences, Xu Yueqing, China AgricuLtural University, Beijing(China),Colleage of Resources and Environmental Sciences, Wu Yanfang, China AgricuLtural University, Beijing(China),Colleage of Resources and Environmental Sciences
Published in Journal of China Agricultural University (01.01.2013)
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Published in Journal of China Agricultural University (01.01.2013)
Journal Article
Surgical needle placing box
ZHOU HONGYAN, WEN CAN, HOU XIAOYU, LIU SHUHANG, GUO HONGFENG, DAI WEIWEI
Year of Publication 26.04.2024
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Year of Publication 26.04.2024
Patent