Coal blocking mechanism for coal mining machine von DONG LIANGZUAN, YANG YUNGANG, XIAO YAQIN, LIU CHEN, GAO JUNHU, ZHANG TONG, WANG WENWU, WANG HUA, HAN YONGCHENG, CUI HAIRUI, ZHAO FANG, LI KUIKUI, LIU LU, MAO HUAPING, WANG JIANKUI, HE KEYAN, DONG JIXIN, LEI YINBAO

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Control method for fully mechanized caving mining stability of large dip angle working face von MO JIANTAO, DONG LIANGZUAN, QU JIANGUANG, ZHANG YUEJUN, WANG FEIYU, LIU HAO, HE KEYAN, WANG LONG

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Hydraulic telescopic platform von DONG LIANGZUAN, CHEN GANG, CHEN DONGMING, SONG RUHAI, XUE DINGLIANG, SHEN JINAN

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