Novel motor rapid maintenance apparatus von DI MINGSAN, ZHOU GUANGCHEN

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Dismounting and mounting device for hydraulic coupler of coupler von GAO XIYING, DAI XIAOPEI, ZHANG PENG, ZHANG WEIJIE, WANG RUSI, HAN YONGJI, DI MINGSAN, LI ZHIKUN

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Belt conveyor with anti-blocking device von ZHANG XINGZUO, ZHANG XILONG, LU FENG, REN BINGBING, CHEN FUYI, QIAO XIBIN, ZHANG WEIJIE, HAN YONGJI, WANG RUSI, DI MINGSAN

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Under-pressure leaking stoppage device for flange joint of high-temperature and high-pressure valve and pipeline von LI BAO, WU DAQIANG, DAI XIAOPEI, SUN ZHENHUA, GENG YANLI, YANG QIANG, SUN JIAN, DI MINGSAN, WANG QIANG, LYU WENJING, MO RUILEI, CHENG ZHENJIANG

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Coke oven brickwork spray repair auxiliary device von DAI XIAOPEI, YANG PENG, MIAO SHIYUN, LYU QIANG, JU LING, LI BIN, DI MINGSAN, WANG QIANG, LEI WEIHUA, CHENG SHAOLIANG, LIU TAO, LI XIANTAO

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Automatic separation and automatic diffusion device for power failure of dust removing pipeline of coal charging vehicle von GAO XIYING, SUN ZHENHUA, GUO TAO, WEI BAOZHONG, WANG WENJUN, ZHAO HONGRONG, DI MINGSAN, SONG XIANFENG

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Water-saving automatic water supply pressure releasing water seal tank von REN JIE, DAI XIAOPEI, GUO TAO, JIANG XIUXIANG, CHENG MIN, WU HONGBIN, WANG WENJUN, ZHENG XIAOMING, DI MINGSAN, MU NIANWEN

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