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RU1797047C
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Manufacturing process for ultrasonic transducer damper
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RU1777032C
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Sampler
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RU1777124C
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Flow regulator
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RU1780857C
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Piezoelectric converter
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RU1783485C
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Device for fine control of micro-portion
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RU1789909C
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Method of measurement of viscosity of liquid in pipe-line
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RU1778538C
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Device for measuring pressure drop and level in fractionating towers and reaction vessels
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RU1784952C
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Control method for liquid fuel viscosity
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RU1793367C
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Piezoelectric transducer
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SU1737205A1
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Fine control valve
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SU1758407A1
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Device for measuring angles
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RU1790701C
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Pneumatic servo drive
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SU1755176A1
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Acoustic transducer
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SU1766459A1
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Warning device of filter choking
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RU1772724C
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Piezoelectric transducer
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SU1747913A1
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Batch meter
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RU1770893C
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Piezoelectric transducer
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RU1784103C
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Device for exchange of information
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SU1711121A1
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Lock-regulating device
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SU1738376A1
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Ultrasound piezoconverter
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