DIN EN 31427 (1995-04)被替代
Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:1993 + AC:1994)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
ISO 11427:1993 - Identical
SN EN 31427:1994 - Identical
ONORM EN 31427:1994 - Identical
BS EN 31427:1994 - Identical
NBN EN 31427:1994 - Identical
I.S. EN 31427:1994 - Identical
UNI EN 31427:1997 - Identical
NF EN 31427:1995 - Identical
SS EN 31427 Ed. 1 (1994) - Identical
UNE EN 31427:1996 - Identical
EN 31427:1994 - Identical
