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  1. Lab Glass Test Tubes | Small to Extra-Large Test Tubes Sizes

  2. Test Tubes - McMaster-Carr

  3. 352235 | Falcon® 5 mL 聚苯乙烯圆底管,带细胞筛网按扣盖,25/ …

  4. Round bottom test tube, U-bottom test tube - MedicalExpo

  5. Test Tubes | Fisher Scientific

  6. Thomas 949369 Anodized Aluminum Standard Test Tube Single …

  7. Plastic Rimless Test Tubes - International Scientific Supplies Ltd

  8. Eisco™ Nylon Test Tube Brush - Fisher Sci

  9. VWR® Test Tubes with Sturdy Lip, Borosilicate Glass

  10. 1 ml Durham tube, round bottom, dimensions ø 7.00 x 35 x 0.50 …