Turkmenistan standards PDF

Water resistant watches for general use — Classification and water resistibility Original standard JIS B 7021-2013 in PDF full version. Additional info + preview on request

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Divers’ watches — Classification and performance Original standard JIS B 7023-2021 in PDF full version. Additional info + preview on request

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Watches and clocks — Accuracy indication Original standard JIS B 7025-1995 in PDF full version. Additional info + preview on request

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Methods of evaluation of the battery life of a battery-powered watch Original standard JIS B 7026-2012 in PDF full version. Additional info + preview on request

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Measuring method for temperature coefficient of refractive index of optical glass—Part 1- Minimum deviation method Original standard JIS B 7072-1-2020 in PDF full version. Additional info + preview on request

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Measuring method for temperature coefficient of refractive index of optical glass—Part 2- Interferometry Original standard JIS B 7072-2-2020 in PDF full version. Additional info + preview on request

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