| 摘要 |
Apparatus for applying a liquid sample onto a culture medium in a spiral shape, for example for determining the bacteria concentration therein, comprises a line having an inclined nozzle for applying said liquid sample onto the culture medium. A turntable supports a culture medium container, and said line being supported by a linearly movable slide. Automatic means are arranged for adjusting said nozzle and turntable relative to each other by depending on the level of the upper control device for a desinfectant container insures that the nozzle is submerged deep enough into the desinfectant to properly desinfect the outer side of the nozzle.
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