4399在线视频免费观看

一般項目：計(ji)量(liang)服務(wu)；技(ji)(ji)(ji)術(shu)(shu)服務(wu)、技(ji)(ji)(ji)術(shu)(shu)開發、技(ji)(ji)(ji)術(shu)(shu)咨(zi)詢(xun)、技(ji)(ji)(ji)術(shu)(shu)交流、技(ji)(ji)(ji)術(shu)(shu)轉讓、技(ji)(ji)(ji)術(shu)(shu)推廣(guang)；租賃服務(wu)（不(bu)含(han)出版物出租）；電子測量(liang)儀器銷售(shou)(shou)；實驗分析(xi)儀器銷售(shou)(shou)；機(ji)械零(ling)件(jian)、零(ling)部件(jian)銷售(shou)(shou)；專用(yong)(yong)(yong)化(hua)學(xue)產品銷售(shou)(shou)（不(bu)含(han)危險化(hua)學(xue)品）；日用(yong)(yong)(yong)化(hua)學(xue)產品銷售(shou)(shou)；塑料制品銷售(shou)(shou)；電子產品銷售(shou)(shou)；電力電子元器件(jian)銷售(shou)(shou)；辦公設(she)備銷售(shou)(shou)；勞動(dong)保(bao)護用(yong)(yong)(yong)品銷售(shou)(shou)；建筑材料銷售(shou)(shou)；儀器儀表修理