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Alarm systems - Intrusion and hold-up systems - Control and indicating equipment. Original standard BS EN 50131-3-2026 in PDF full version. Additional info + preview on request

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Rotating electrical machines - Effects of unbalanced voltages on the performance of three-phase cage induction motors. Original standard BS EN IEC 60034-26-2026 in PDF full version. Additional info + preview on request

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Classification of environmental conditions - Classification of groups of environmental parameters and their severities. Ground vehicle installations. Original standard BS EN IEC 60721-3-5-2026 in PDF full version. Additional info + preview on request

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Semiconductor devices ? Mechanical and climatic test methods - Part 20-1: Handling, packing, labelling and shipping of surface-mount devices sensitive to the combined effect of moisture and soldering heat. Original standard BS EN IEC 60749-20-1-2026 in PDF full version. Additional info + preview on request

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Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety - Particular requirements for hand-held strapping tools. Original standard BS EN IEC 62841-2-18-2026 + A11-2026 in PDF full version. Additional info + preview on request

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Multi-channel radio-frequency connectors - Sectional specification for type L32-4 and L32-5 circular connectors. Original standard BS EN IEC 63138-4-2026 in PDF full version. Additional info + preview on request

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