3804 Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, incl. lignin sulphonates (excl. tall oil, sodium hydroxide `caustic soda` and sulphate pitch)

3804 (01/1988-..) Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, incl. lignin sulphonates (excl. tall oil, sodium hydroxide `caustic soda` and sulphate pitch) 38040000 (01/2010-..) Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, incl. lignin sulphonates (excl. tall oil, sodium hydroxide `caustic soda` and sulphate pitch) 38040010 (01/1988-12/2009) Sulphite lye, concentrated 38040090 (01/1988-12/2009) Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, incl. lignin sulphonates (excl. sulphite lye, crude tall oil, sodium hydroxide `caustic soda` and sulphate pitch)