关注《机械制图》标准修订贯彻执行最新标准關註《機械製圖》標準脩訂貫徹執行最新標準 관주《궤계제도》표준수정관철집행최신표준 Pay close attention both to the revision of the standards of mechanical drawings and to the implement of the revised editions
万方数据
机械工业标准化与质量機械工業標準化與質量궤계공업표준화여질량 MACHINERY INDUSTRY STANDARDIZATION & QUALITY 2004年12期1-4,共4页
