Повучен
Specifies a macro-method and a semi-micro method for the determination of the nitrogen content in raw natural rubber and in natural rubber latex using variants of the Kjeldahl process. Replaces the second edition.
ПОВУЧЕН
ISO 1656:1988
ПОВУЧЕН
ISO 1656:1996
95.99
Повучен
15. 10. 2014.
ПОВУЧЕН
ISO 1656:2014