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Universal Pipetter Tips

Pipet is widely used in clinical laboratory because of its simple basic structure and easy to use. Its basic structure mainly includes display window, capacity adjustment parts, piston, O-shaped ring, suction tube and suction head (suction nozzle) and other parts, among which the suction head has different applicable range size, whether it is filter type, whether it is sterilized and other specifications to choose from.

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91高清自产国产拍,无码免费A级毛片大全,日本 欧美 国产中文字幕,99re热视频这里只有精品视频首页

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