Specification for lifts, escalators, passenger conveyors and paternosters-Testing and inspection
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Specification for lifts, escalators, passenger conveyors and paternosters-Definitions
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Specification for fluoroboric acid and metal fluoroborates for electroplating
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Specification for dimensions of agricultural cultivator tines.
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Cold rolled brass sheets, strip and foil, copper content 68 per cent minimum and under 72 per cent maximum
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