Russian standards
Preparation of documents used in electrotechnology. Part 1. Rules
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Automatic identification. Bar coding. Symbology specifications PDF417
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Gas-fired absorption and adsorption air-conditioning and/or heat pump appliances with a net heat input not exceeding 70 kW. Part 1. Safety
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Petroleum and natural gas industries. Drilling and production equipment. Drill-through equipment. General technical requirements
Document status: Active