Butanes for undergoing chemical transformation, liquefied (excl. for specific processes specified in Additional Note 5 to chapter 27 and butanes of a purity of >= 95% of N-butane or isobutane)
Butan, utekočinjen, za uporabo v kemični predelavi, razen v procesih, ki so določeni v skladu s tar.podšt. 2711 13 10