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Multi-heat-source bathing hot water unit control device
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Rail climbing device for mine car
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Portable simple safety valve detection device
LI HUI, WANG XU, ZHANG SONGCHUN, MENG ZHIBIN, WU JINGDUO, ZHAI YINGLI, YANG YUAN, ZHAI YINGQUAN, ZHAI YUNFENG, ZHAI WEIYING
Year of Publication 20.11.2020
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Year of Publication 20.11.2020
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