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Year of Publication 24.03.2023
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Production mold and production process of glass bottle
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Novel portable shoes lamp
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Year of Publication 10.04.2018
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Portable emergency device for coal-mining working face
Xu Jianxin, Wang Ding, Li Geng, Hua Wanli, Ma Xuelu, Zhang Xianlong, Duan Xu
Year of Publication 24.08.2016
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Year of Publication 24.08.2016
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Novel fire prevention gas curtain
GAO CAIZHI, SHEN CHENGDE, XU PENG, LI RAN, ZHANG XIANLONG, HUA WANLI, LI GENG
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Oxygen suppliment emergency device under ore deposit
SHEN CHENGDE, GU XINXIN, ZHANG MINGYAO, XU PENG, WAN LU, HUA WANLI, LI GENG
Year of Publication 20.10.2017
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Emergency device for supplying oxygen in mine
SHEN CHENGDE, GU XINXIN, ZHANG MINGYAO, XU PENG, WAN LU, HUA WANLI, LI GENG
Year of Publication 31.05.2017
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Year of Publication 31.05.2017
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Coal face uses portable emergency device
MA XUELOU, XU JIANXIN, DUAN XU, ZHANG XIANLONG, HUA WANLI, WANG DING, LI GENG
Year of Publication 09.11.2016
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Year of Publication 09.11.2016
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