NEN EN 71-4:1991被替代
Safety Of Toys - Part 4: Experimental Sets For Chemistry And Related Activities
出版：Nederlands Normalisatie Instituut
專家解讀視頻
Defines requirements for the maximum amount of certain substances and preparations used in experimental sets for chemistry and related activities. Applicable to chemistry and supplementary sets, also to toys for experiments in mineralogy, biology, physics, microscopics and environmental sciences containing one or more chemical substances and/or preparations.
DIN EN 71-4 (1990-11) - Identical
ONORM EN 71-4:2007 - Identical
BS EN 71-4:1998+A3:2007 - Identical
SN EN 71-4:1991 - Identical
UNI EN 71-4:2008 - Identical
SS EN 71-4:1998 - Identical
UNI EN 71-4:2004 - Identical
UNE EN 71-4:2004 - Identical
NS EN 71-4:2001 - Identical
NF EN 71-4:1990 - Identical
NBN EN 71-4:1991 - Identical
I.S. EN 71-4:1991 - Identical
