Grounding drill rod assembly von WANG PENGYAO, LIANG QIANG, SONG YUANBIAO, LIU JINWANG, XING ZHAOXUE, YU HAILONG, JING SHUHAI, WANG DONG, ZHANG LIHUA, SHI AN, HAN MINGHAO, LI WEI, QIAO LIERONG, GE JIAPENG

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Electric cabinet door insulation supporting rod capable of being clamped and magnetically attracted von MA LIANG, WANG PENGYAO, LIANG QIANG, YU LEI, LI HAIJIAN, LIU JINWANG, YU HAILONG, SHI AN, WANG DONG, HAN MINGHAO, LI WEI, LI QIANG, QIAO LIERONG, KONG XIANGQING

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Operation ring main unit base height adjusting and leveling device von MA LIANG, CUI JIE, WANG HAILIN, YU LEI, ZHANG YUNJIAN, BU LINGSHUAI, HOU ZHAN, XU FAREN, ZHU PING, ZHANG XIN, SHEN TAO, SUN QIAN, GAO MING, CHAI LEIQIANG, JING SHUHAI, WU FEI, WANG DONG, ZHANG LIPING, YU LUNING, QIAO LIERONG, KONG XIANGQING

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