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xiao xing mei kuang ji xie hua kai cai tui jin hui zai guang xi bai se zhao kai
Pages: 插4
Year: Issue:  10
Journal: Safety in Coal Mines

Abstract:  9月3-4日,小型煤矿机械化开采推进会在广西壮族自治区百色市召开.来自全国小煤矿主要集中地区的15个省、市、区170余名代表参加了此次会议.同家煤矿安监局副局长彭建勋出席会议并讲话.
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