Inductance and mutual inductance kits
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Synchronoscopes. Technical requirements
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Synchronoscopes. General specifications
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Light-beam oscillographs. Moving-coil oscillograph galvanometers. Technical requirements
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Moving-coil oscillograph galvanometers. General specifications
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Moving-coil oscillograph galvanometers
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Tubes and fuses. Instruments for leak testing. Basic dimensions, technical conditions and test methods
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Tubes and fuses. Instruments for testing compression springs. Basic dimensions, technical conditions and test methods
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Electric aviation gasoline gauge. Switch. Specification
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The course indicator for aviation. Specification
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Commutators measuring analog current and voltage. General specifications
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Ferritometers for austenitic grade steels. General specifications
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