Test tube for biological analyses, provided with a device for checking efficiency and position, for photometric readings
作者： Antonio Ricci , Tiziano Pratellesi
DOI:
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摘要: Test tube for biological analyses, and in particular blood tests such as erythrocyte sedimentation rate, provided with a device making it possible to perform photometric inspection of the test relative movement between optical system (1), latter being emitter (E) receiver (R) said system; possesses--externally on base--a form an prism (5) that induces sudden change direction light beam emitted by so briefly is unable reach receiver.
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