000 00394nam a22001217a 4500
999 _c19366
_d19366
008 200206b ||||| |||| 00| 0 eng d
090 _aISO 4656:2014
245 _aRubber, raw natural, and rubber latex, natural - Determination of nitrogen content
250 _aFourth edition.
260 _aSwitzerland
_bInternational Organization of Standardization
_c2014
500 _aCurrent
942 _2udc