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Optics and photonics. Specifications for binoculars, monoculars and spotting scopes. General purpose and high performance instruments. Original standard BS ISO 14133-2025 in PDF full version. Additional info + preview on request

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Optics and optical instruments. Specifications for astronomical telescopes. Original standard BS ISO 14134-2006 in PDF full version. Additional info + preview on request

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Optics and photonics. Specifications for telescopic sights. General-purpose instruments. Original standard BS ISO 14135-1-2021 in PDF full version. Additional info + preview on request

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Optics and photonics. Specifications for telescopic sights. High-performance instruments. Original standard BS ISO 14135-2-2021 in PDF full version. Additional info + preview on request

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Test conditions for wire electrical-discharge machines (wire EDM). Testing of the accuracy. Original standard BS ISO 14137-2015 in PDF full version. Additional info + preview on request

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Hydrometric determinations. Flow measurements in open channels using structures. Compound gauging structures. Compound gauging structures. Original standard BS ISO 14139-2000 in PDF full version. Additional info + preview on request

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