如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
蒸发皿,PP材质,50 ml,浅型,无流嘴
FILTER PAPER CIRCLES, RED RIBBON 4, MEDIUM DENSE MEDIUM RAPID, FILTER-DIA.110 MM, PACK 100 PCS
直滴型滴定阀,适用于25 ml滴定管,PTFE阀芯