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Vacuum technology. Vacuum gauges. Specifications for hot cathode ionization gauges
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HSS corrugated blades for assembly reamers. Basic dimensions
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Cast iron joining rings and fittings for asbestos cement pressure pipes
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Automobiles, buses and motorcycles of emergency services. Colours diagrams, identification symbols, inscriptions, special light and sound signals. General requirements
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Switches for household and similar fixed electrical installations. Part 1. General requirements
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