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Year of Publication 04.11.2022
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Year of Publication 04.11.2022
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Sunlight greenhouse roller shutter device
LYU YUEZHI, GAO YONGJUN, GONG GENLING, CHU XIAOXIA, GONG XIAOJIE, HUO LONG, WANG XUE
Year of Publication 30.09.2022
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Year of Publication 30.09.2022
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Novel buffer type oil pipe drift diameter gauge
ZHANG HONGBO, LYU YUEZHI, XI YONGGANG, ZHANG BAOWEI, LIU ZHAOWEI, LI DONGCHUN, BAI RUIYI, LIU KAI, YUAN YE, ZHANG DONGDONG
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Year of Publication 11.03.2015
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Automatic fat liquoring all -in -one of clearing up of screw thread
Xu Guangrong, Yao Shuyi, Chen Qingtang, Shen Fugang, Xu Changliang, Sun Jingguang, Feng Kai, Lyu Yuezhi
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Year of Publication 31.08.2016
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On --spot inner wall of oil tubing belt cleaning device of operation
HAN TONGFANG, LYU YUEZHI, ZHANG BAOWEI, HE JIANGTAO, LI DONGCHUN, WANG WENHUI, ZHANG XIAOKAI, ZHANG JINDONG, LI XUEMEI, SUN ZHAOYU
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Year of Publication 16.03.2016
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Lead to well equipment air -operated controller lubricating arrangement
ZHANG HONGBO, LYU YUEZHI, CHEN MINWANG, LIU LIGUO, LI DONGCHUN, ZHANG JINDONG, LI XUEMEI, SUN ZHAOYU, JIAN YAOZE, ZENG CHUNHUA
Year of Publication 16.03.2016
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Year of Publication 16.03.2016
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