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RU1795536C
|
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Cavity filter on acoustic surface waves
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RU1794580C
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|
Punch for extrusion of relief cavities
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RU1780143C
|
|
Single-phase converter of surface acoustic waves
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|
RU1772707C
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|
Method of determining oxygen content in gases
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SU1773239A3
|
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Device for making dies and moulds
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SU1727192A1
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|
Limiting amplifier of shf power
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RU1780135C
|
|
Coaxial-strip transition of radio electronic apparatus
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|
SU1721791A1
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Two-input resonant filter on ground acoustic waves
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|
SU1751087A1
|
|
Hermetically sealed container for cylinders with toxic matter
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|
RU1790013C
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|
Sealed microelectronic device
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|
SU1764134A1
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|
Frequency discriminator
|
|
SU1760633A1
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Uhf-mixer on the even harmonic of local oscillator
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SU1734190A1
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|
Microwave amplifier
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SU1756385A1
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Method of electroplating with copper-tin alloy
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