Assembling deice of water spraying propelling device
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Year of Publication 25.05.2018
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Detachable embedded punching drill bit special for coal punching
YUAN JUNBO, HU LINGXUE, ZHANG LIANG, ZHANG TAO, GUO FENG, DU BIN, LI ZUHUI, MAO DONGDONG, WANG LONG, SHAN YONGKE, ZHANG ZHIFENG, ZOU LIANG, SU JIN, LI DUZHOU, SU BENQUAN
Year of Publication 28.12.2018
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Year of Publication 28.12.2018
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