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Strengthening and sealing couplings for main gas pipelines. Basic principles
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Mining equipment. Dust removal equipment. General technical requirements. Test methods
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Vacuum technology. Dimensions of clamped-type quick-release couplings
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Vacuum technology. Mounting dimensions of pipeline fittings. Part 2. Кnife-edge flange type
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Vacuum technology. Right-angle valve. Dimensions and interfaces for pneumatic actuator
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Vacuum technology. Vacuum gauges. Specifications for hot cathode ionization gauges
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