ČSN - Czech national standards

Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods

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Jewellery and precious metals - Specifications for 1 kilogram gold bar

Available languages: English

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Jewellery and precious metals - Specifications for 1 kilogram gold bar

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Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF

Available languages: English

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Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF

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Jewellery and precious metals - Sampling of precious metals and precious metal alloys

Available languages: English

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Jewellery and precious metals - Sampling of precious metals and precious metal alloys

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Jewellery and precious metals - Determination of silver - Potentiometry using sodium chloride or potassium chloride

Available languages: English (the title page in Czech only)

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Jewellery - Ring-sizes - Definition, measurement and designation

Available languages: English

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Magnesium and magnesium alloys. Safety rules

Available languages: Czech

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