Condensing units for refrigeration (electrically driven, open type)
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Specification for electrically driven refrigerant condensing units
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Tungsten filament general service electric lamps 210, 230, 240 and 250V
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Specification for tungsten filament lamps for general service (batch testing)
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Verification of testing machines. Methods of load verification verification tensile and compression testing.
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Materials testing machines and force verification equipment.-Specification for the grading of the forces applied by materials testing machines
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Materials testing machines and force verification equipment-Specification for the grading of the forces applied by materials testing machines when used in the compression mode
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