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Countersunk flat head screws (common head style) with type H or type Z cross recess. Product grade A. Part 2. Steel screws of property class 8.8, stainless steel screws and non-ferrous metal screws
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Welding consumables. Covered electrodes. Determination of the efficiency, coefficient of metal recovery and deposition coefficient
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System of technical documentation for computer control systems. Conditional graphical symbols of hardware
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Distribution boards for dwelling-houses. General specifications
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Agricultural machinery. Safety. Part 9. Seed drills
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