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Carbon and low-alloy steel butt-welding fittings. Tees. Design
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Methods for determination of seismic stability of machines, instruments and other industrial products mounted at the place of use at their attestation and certification for seismic safety
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Instrument transformers. Part 8. Electronic current transformers
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Lamp controlgear. Part 2-8. Particular requirements for ballasts for fluorescent lamps
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Safety devices for gas pressure regulating stations and installations. Gas safety shut-off devices for inlet pressures up to 10 Mpa
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