Specification for electrically-driven refrigerant condensing units
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Normal type tungsten filament for electric lamps
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Tungsten filament general service electric lamps
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Tungsten filament general service electric lamps
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Tungsten filament general service electric lamps
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Specification for tungsten filament lamps for domestic and similar general lighting purposes. Performance requirements
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Verification of testing machines. Methods of load verification requirements for elastic proving devices and verification of machines for tension and compression testing.
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