Tiltable drilling machine for drilling in shallow water environment von QIN SHENGMENG, LIU YAN, XIAO JIANGUO, QIN JICHENG, YUAN MING, LI YUYONG, LI SHOULOU, YANG YUANYUN, MO JIAN, LAN RIWU, REN CHUNGANG, XIE ZONGMEI, GAN SHULIN, MO LIHUAN, YAN XUNYOU, LIU JIANYUE, TAN HAIJIAN, LIU CHUAN, SU HAICHENG, YAN CHUNHUI, QIN LIJIE, HUANG ZHENSHAN, WEI ZHUOJUN, LIANG JIN, ZHU QIFENG, LIU JIAZHENG, LAI GUANGCHUN, LI QUANMIN, LU YUNBO, NONG ZHIXIANG, HUANG WENHUI, ZHAO WEI, HUANG LIHONG, LIU FANGXU, LI YONGBING, QIN YONGMING, YAO FANGMING, LU SHAOFENG, WANG HUI

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Auxiliary pliers for preventing casing pipe from deviating von QIN SHENGMENG, LIU YAN, XIAO JIANGUO, YUAN MING, QIN JICHENG, LI YUYONG, LI SHOULOU, YANG YUANYUN, MO JIAN, LAN RIWU, REN CHUNGANG, XIE ZONGMEI, GAN SHULIN, MO LIHUAN, YAN XUNYOU, LIU JIANYUE, TAN HAIJIAN, LIU CHUAN, SU HAICHENG, QIN CAIYONG, ZENG HUILIAN, YAN CHUNHUI, HUANG ZHANGXI, QIN LIJIE, LI JIRUI, HUANG YEZHONG, HUANG ZHENSHAN, WEI ZHUOJUN, LIANG JIN, ZHU QIFENG, LIU JIAZHENG, LAI GUANGCHUN, ZHANG ZHENG, LI QUANMIN, LU YUNBO, NONG ZHIXIANG, HUANG WENHUI, ZHAO WEI, HUANG LIHONG, LIU FANGXU, LI YONGBING, HUANG GUOSONG, QIN YONGMING, YAO FANGMING, LU SHAOFENG, WANG HUI

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Hydraulic pressure of reef breakage under water post von CHEN XIAOSHENG, YAN CHUNHUI, LU XIANTING, NING LIANGSHAN, PENG ZHENXIN, LAN RIWU, LU SHAOFENG, PENG LIZE, WANG HUI, QIN CAIYONG

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Rig rack system under water drills von YAN CHUNHUI, HE TING, WEI ZHUANGJI, XU ZUOWEN, NONG ZHIXIANG, YE FENGMING, HE YANKAI, HUANG PENG, LAN RIWU, LU SHAOFENG, REN CHUNGANG

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Ship propeller winding netting shearing mechanism von FENG ZHAN, LI QUANMIN, YAN CHUNHUI, HE TING, WEI ZHUANGJI, XU ZUOWEN, LU YUNBEI, HUANG PENG, LAN RIWU, LU SHAOFENG, REN CHUNGANG

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Measuring tape von GUO YING, YANG HUI, ZHANG QI, LIAO WENBIAO, ZHANG YUFEN, WU YAOCHU, XU WENBIN, ZENG JIAN, XIE YI, LIN SHUZHAN, ZENG RIWU, LUO YURUI, HUANG CHEN, ZHANG NAN, ZHU QIAN, WANG XINFANG, XIAO LAN, CAO JIANJIAN, ZHANG YAN, LYU BIAO, FAN JUNHUA

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Magnetic rope von GUO YING, YANG HUI, CHEN XUEPING, ZENG ZIPENG, HUANG YUYAO, LI MINGXUAN, ZHANG SHUAI, ZENG RIWU, ZOU CHAN, ZHU QIAN, WANG XINFANG, LI HUIHUA, XIAO LAN, XU ZIXING, JIANG WEIQI, XIAO LIXIONG, SU SHUTONG, ZOU MINGHAO, LYU BIAO

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Examine and repair power box and examine and repair power supply box von GUO YING, YANG HUI, CHEN XUEPING, ZENG ZIPENG, HUANG YUYAO, LI MINGXUAN, ZHANG SHUAI, ZENG RIWU, ZOU CHAN, ZHU QIAN, LI HUIHUA, WANG XINFANG, XIAO LAN, XU ZIXING, JIANG WEIQI, SU SHUTONG, ZOU MINGHAO, LYU BIAO

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