Movable heating device for girth welding of high-strength steel penstock
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Year of Publication 20.03.2020
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Year of Publication 20.03.2020
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Adjustable pressure steel pipe roundness adjusting and locking device
YAN QI, ZHANG KEQIANG, CHENG WEIQIANG, GONG FENG, LIU QIANG, CHANG CANXING, ZHANG LIXI
Year of Publication 20.03.2020
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Year of Publication 20.03.2020
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Adjustable penstock roundness adjusting and locking device
YAN QI, ZHANG KEQIANG, CHENG WEIQIANG, GONG FENG, LIU QIANG, CHANG CANXING, ZHANG LIXI
Year of Publication 06.09.2019
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Year of Publication 06.09.2019
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Mobile high-strength steel penstock girth welding heating device
YAN QI, ZHANG KEQIANG, CHENG WEIQIANG, GONG FENG, LIU QIANG, CHANG CANXING, ZHANG LIXI
Year of Publication 06.09.2019
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Year of Publication 06.09.2019
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Table lamp convenient for writing
WANG YINHE, ZHANG YUNFEI, CHANG CANXING, ZHANG MINGHAO, ZHOU JIAXIN, LI ENBO, SHI YUFENG, MA YUANLIANG, YUAN CHAOYANG
Year of Publication 01.07.2015
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Year of Publication 01.07.2015
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Adjustable supporting guide rail for use in construction process of top pipe
BAI XUECHENG, SHI SHUAIKANG, DU YONGXIN, CHANG CANXING, HUANG HONGWEI, LIAO FENG, HU LINHAI, YANG FAZHI
Year of Publication 25.09.2018
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Year of Publication 25.09.2018
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