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RU1786478C
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Degenerative constant voltage compensator
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RU1774320C
|
|
Pulse-operated dc voltage regulator
|
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SU1767487A1
|
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Constant voltage stabilizing source
|
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SU1755843A1
|
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Logic game "amusing rings"
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RU1781801C
|
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Ac voltage to dc voltage connecter
|
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SU1755132A1
|
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Fluorescence type gas analyzer for micro levels of sulfur dioxide and hydrogen sulfide
|
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SU1755842A1
|
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Logic game "wheel in square"
|
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SU1772798A1
|
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Low-voltage dc voltage stabilizer
|
|
RU1771787C
|
|
Puzzle "roundabout"
|
|
RU1784906C
|
|
Solid electrolyte dip pick-up
|
|
SU1734807A1
|
|
Three-dimensional logical game
|
|
SU1755846A1
|
|
Logical game
|
|
RU1778644C
|
|
Chemiluminescent gas analyzer of nitrogen oxides
|
|
RU1770834C
|
|
Photoelectric device for determining granulometric composition of suspended particles
|
|
RU1770811C
|
|
Method of transforming microconcentrations of hydrogen sulfide into sulfur dioxide
|
|
SU1761168A1
|
|
Logical game
|
|
SU1739373A1
|
|
Constant-valve voltage stabilizer
|
|
SU1746265A1
|
|
Method of determining sum of microlevels of ammonia and nitrogen dioxide in oxygen containing gas mixture
|
|
SU1742806A1
|
|
Stabilized voltage source
|
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SU1749890A1
|
|
Low-voltage stabilized power supply
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