午夜看大片,免费看日韩,中文字幕黄色片,一区在线免费,色偷偷导航,99视频精品全部免费观看,99精品视频在线观看免费播放

求購玻璃試管

我公司現(xiàn)求購玻璃試管:
we are interested in 3.3 borosilicate clear glass tubes. o.d.:10mm, length:100mm, wall thickness: 1mm, glazed and trimmed on both ends.

采購商信息

采購?fù)扑]

細(xì)菌培養(yǎng)玻璃試管細(xì)菌玻璃試管玻璃試管價格求購玻璃杯玻纖板求購微硅粉求購
首頁 > 玻璃采購 > 儀器儀表玻璃