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Tool unit to apparatus for working metals by pressure
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Percussion mechanism of piezoelectric lighter
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Piezoelectric lighter striker
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Operating mechanism of piezoelectric igniter
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Gaseous lighter body
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Lighter impact mechanism
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Device for measuring small signals
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Device for emergency protection of nuclear reactor relative to power level
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Capacitor with electrostatic excitation
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Logic memory
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Osmometer
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Stabilized power supply source
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Electrochemical analysis integrator
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