DIN EN ISO 4047 (1998-12)现行
Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047:1977)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
SN EN ISO 4047:1999 - Identical
NEN EN ISO 4047:1998 - Identical
BS EN ISO 4047:1998 - Identical
ONORM EN ISO 4047:1999 - Identical
NF EN ISO 4047:1999 - Identical
NBN EN ISO 4047:1998 - Identical
UNI EN ISO 4047:2000 - Identical
I.S. EN ISO 4047:1999 - Identical
NS EN ISO 4047 Ed. 1 (1999) - Identical
UNE EN ISO 4047:1999 - Identical
SS EN ISO 4047 Ed. 1 (1999) - Identical
ISO 4047:1977 - Identical
