凿岩机械和气动工具国际标准的现状、发展趋势及国际与国内标准的分析对比
착암궤계화기동공구국제표준적현상、발전추세급국제여국내표준적분석대비
Status Quo and Developmental Trends of Rock-Drilling Machinery and Pneumatic Tools-Related International Standards as well as Analysis and Comparison of International and Domestic Standards
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