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VTR-1-2 precise adjustment gate is designated for regulate the flow rate of conductive environment and gas mixtures overlap
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UTR-1 precise adjustment instrument is designated for control the pressure of gas mixture in the cylinder and smoothly regulate the flow rate of gas mixture coming from the cylinder
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Autocollimation multi-reference-lines measurement standard (AMRL)
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Autocollimator AKF-0.2
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Укр 
Eng 