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Automatic installation for monitoring a physical quantity
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High selectivity radio transmission device
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Amplifier with stabilized output level
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Static analog divider and its applications
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Coaxial line bridge
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Mechanical modulator and applications
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Capacitive goniometer for high frequency energy
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Multi-channel power line telephone device
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FR1192583A
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Advanced tuning circuit for very high frequency radio installations
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FR1197107A
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Improvements to continuous range radio receivers
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FR1179871A
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Aperiodic power amplifier device
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