4399免费视频

一般項目：計量(liang)服(fu)務；技(ji)(ji)(ji)術(shu)服(fu)務、技(ji)(ji)(ji)術(shu)開發、技(ji)(ji)(ji)術(shu)咨詢、技(ji)(ji)(ji)術(shu)交流(liu)、技(ji)(ji)(ji)術(shu)轉(zhuan)讓、技(ji)(ji)(ji)術(shu)推廣；租賃服(fu)務（不含(han)出(chu)版物出(chu)租）；電(dian)(dian)子測量(liang)儀(yi)器(qi)銷(xiao)售(shou)(shou)(shou)；實驗分析儀(yi)器(qi)銷(xiao)售(shou)(shou)(shou)；機械零件、零部件銷(xiao)售(shou)(shou)(shou)；專用化學(xue)產品(pin)銷(xiao)售(shou)(shou)(shou)（不含(han)危險(xian)化學(xue)品(pin)）；日用化學(xue)產品(pin)銷(xiao)售(shou)(shou)(shou)；塑料(liao)制品(pin)銷(xiao)售(shou)(shou)(shou)；電(dian)(dian)子產品(pin)銷(xiao)售(shou)(shou)(shou)；電(dian)(dian)力電(dian)(dian)子元(yuan)器(qi)件銷(xiao)售(shou)(shou)(shou)；辦公設備銷(xiao)售(shou)(shou)(shou)；勞動保護用品(pin)銷(xiao)售(shou)(shou)(shou)；建筑材料(liao)銷(xiao)售(shou)(shou)(shou)；儀(yi)器(qi)儀(yi)表(biao)修理(li)