Adjustable tube air-drying frame
The utility model discloses an adjustable tube air-drying frame which comprises a fixing frame and air-drying frames, a base is arranged at the lower end of the fixing frame, and the multiple air-drying frames are installed on the fixing frame at intervals. The test tube air-drying rack is reasonabl...
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Format: | Patent |
Sprache: | chi ; eng |
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