Transformation of discharging gate of NO.209 scraper conveyor in Xiaoqingkuang coal preparation plant
SHI Qing-gui
LIU Jing-wen
CHEN Heng
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Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 20-22 )