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Truncated form screw plug-gauges for pipe cylindrical threads from 4' up to 6' nominal diameter. Construction and basic sizes
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Truncated form screw ring-gauges for pipe cylindrical threads from 1/16' up to 3 3/4' nominal diameter. Construction and basic sizes
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Semiconductor diodes. Methods for measuring inductance
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Reference diodes and stabistors. Method for measuring time drift of working voltage
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Holders for an angled fastening of cutting tool for turret-lathes. Design and dimensions
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