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Fibre optic connector interfaces Part 2: Type BFOC/2,5 connector family. Original standard BS EN 61754-2-1997 (1999) in PDF full version. Additional info + preview on request

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Transformers and inductors for use in telecommunication and electronic equipment Main dimensions of coil formers Part 1: Coil formers for laminated cores. Original standard BS EN 61797-1-1997 (1999) in PDF full version. Additional info + preview on request

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Original standard BS EN 61843-1997 (2000) in PDF full version. Additional info + preview on request

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Printed boards Part 4: Rigid multilayer printed boards with interlayer connections Sectional specification Section 1: Capability detail specification Performance levels A, B and C. Original standard BS EN 62326-4-1-1997 (1999) in PDF full version. Additional info + preview on request

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Printed boards - Part 4: Rigid multilayer printed boards with interlayer connections - Sectional specification. Original standard BS EN 62326-4-1997 (2000) in PDF full version. Additional info + preview on request

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Hollow metallic waveguides - Part 2: Relevant specifications for ordinary rectangular waveguides. Original standard BS EN IEC 60153-2-2025 in PDF full version. Additional info + preview on request

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