ČSN - České národní normy

Precious metals - The finenesses of solders used with precious metal jewellery alloys

Dostupné jazyky: Česky

Dostupné prevedenie: Tlačené

Ušlechtilé kovy - Ryzosti pájek užívaných pro klenotnické slitiny ušlechtilých kovů (Norma k přímému použití jako ČSN).

Dostupné prevedenie: Tlačené

Jewellery - Ring sizes - Definition, measurement and designation (ISO 8653:1986)

Dostupné prevedenie: Tlačené

Jewellery - Consumer confidence in the diamond industry

Dostupné jazyky: Anglicky

Dostupné prevedenie: Tlačené

Body-piercing post assemblies - Reference test method for determination of nickel content by flame atomic absorption spectrometry

Dostupné jazyky: Česky

Dostupné prevedenie: Tlačené

Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin

Dostupné jazyky: Anglicky

Dostupné prevedenie: Tlačené

Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin

Dostupné prevedenie: Tlačené

Reference test method for release of nickel from products intended to come into direct and prolonged contact with the skin

Dostupné prevedenie: Tlačené

Reference test method for release of nickel from products intended to come into direct and prolonged contact with the skin

Dostupné prevedenie: Tlačené

Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin

Dostupné prevedenie: Tlačené