Double-layer composite wine tank von TIEKUI CHEN

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Novel derrick structure and mounting method von CHEN TIEKUI, AN QING, ZHAO HONGJIANG, NIU CHAO, LIANG ZHIGUANG, MAO YONGPENG, PANG LEI, ZHANG WENXIAO, YANG ZHIHUI, XU RUFENG

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Special clamp for lowering cable in narrow space of vertical shaft von LIU NING, WANG LEI, CHEN TIEKUI, WANG FEI, HOU HONGQI, LIU ERHAO, LI JIANHUI, YANG ZHIHUI, TONG WEIMIN, XIE PINGJUN, QI SHAOFENG, CHENG SHUAI

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Shaft construction operation platform von WANG LEI, CHEN TIEKUI, YANG BAOMIN, ZHENG XIAOJUAN, WANG FEI, ZHAI XUEJIAN, LEI YANFANG, ZHANG HUA, LIU ERHAO, ZHANG WENXIAO, LIU NING, WANG WEIWEI, MAO DAOWEI, HE KUN'AN, LIU XIAOLONG, CHENG SHUAI

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Square steel is unloader for cage guide von LI JINLONG, WANG LEI, ZHANG FULI, CHEN TIEKUI, WANG FEI, ZHU GUOJIANG, LI YING, CHEN YANAN, MAO YONGPENG, WANG SHANXIN, DAI FENG, CHEN YUNDONG

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Foundation pit protection device for highway bridge construction von LIU AO, ZHANG LIANG, CHEN MENGJIE, LI TIEKUI, HUANG HUA, WEN XIAOXU

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Supporting type forging clamp von HE ZHAO, MU XIANGYANG, GUO YONG, ZHANG WUYANG, DENG LINFANG, WANG TIEKUI, SUN XIAODONG, LI MING, DONG XIAOWEI, CHEN YANING, LIU YONG

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Coupler yoke dumper von CHEN MING, ZHANG HONGFU, SUN JIANKAI, GUO YONG, LI SHENGJUN, XUE YADONG, LIU YUE, WANG TIEKUI, YUE YUFENG, WANG DIANLU, ZHENG YONGCHUN, MENG XIANGBEI

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Boring cutter portion dress von CHEN MING, GAO JING, WU TIEKUI, WANG ZHANYONG, WANG SHAOHUA, DAI QIPENG, LING XUEQIN

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Disassembling tool for oil supplementing and discharging signal box bottom von ZHANG GUOFENG, ZHAO SIHUANG, SUN DANLONG, WANG JIUMING, CHEN YANG, WU TIEKUI, SUN LEI, LI WENMING, FENG CHANG, YAN HONGMING, DAI QIPENG, LI HONGYU, ZHANG ENLONG

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Novel guide rod supporting sleeve and dismounting structure and method thereof von WANG XINLONG, ZHANG GUOFENG, LUAN KAICHUN, SUN DANLONG, QI DONGJIE, WANG LIANDAN, CHEN YANG, WANG ZHIWANG, WU TIEKUI, GAO YI, LI WENMING, ZHANG LIHUA, WANG ZHANYONG, LUO ZHENGANG, ZHANG ENLONG

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Hydrochloric acid corrosion-resistant fluid end conveying device for diaphragm pump von ZHANG GUOFENG, ZHAO SIHUANG, SUN DANLONG, QI DONGJIE, WANG LIANDAN, WANG ZHIWANG, CHEN YANG, WU TIEKUI, HAN XIAODONG, LI WENMING, ZHANG LIHUA, WANG ZHANYONG, DAI QIPENG, ZHANG ENLONG, SHI JINGCUN

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Diaphragm pump is with split type jie's pole washing unit von CHEN YANG, WU TIEKUI, DONG ZHE, SUN DANLONG, CHEN BOLONG, LING XUEQIN

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Fluid pressure type diaphragm power end of pump withdrawal bush closing device von CHEN YANG, WU TIEKUI, JIANG BIAO, LING,XUEQIN, JI XIAODONG, FU PENG

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