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Process of nitriding and nitrocarburizing of iron and steel (Amendment 1) Original standard JIS B 6915-1999 AMD 1-2010 in PDF full version. Additional info + preview on request
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Process of nitriding and nitrocarburizing of iron and steel Original standard JIS B 6915-1999 in PDF full version. Additional info + preview on request
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Water resistant watches for general use β Classification and water resistibility Original standard JIS B 7021-2013 in PDF full version. Additional info + preview on request
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Diversβ watches β 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 β 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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