Superseded Standard
Historical

NBN EN 31426:1994

Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:1993)
No description.

Technical characteristics

Publisher Bureau de Normalisation Belge (NBN)
Publication Date 11/15/1994
Page Count 13
EAN ---
ISBN ---
Weight (in grams) ---
No products.