3912 Cellulose and its chemical derivatives, n.e.s., in primary forms

3912 (01/1988-..) Cellulose and its chemical derivatives, n.e.s., in primary forms 39121100 (01/1988-..) Non-plasticised cellulose acetates, in primary forms 39121200 (01/1988-..) Plasticised cellulose acetates, in primary forms 39122011 (01/1988-..) Non-plasticised collodions and celloidin, in primary forms 39122019 (01/1988-..) Non-plasticised cellulose nitrates, in primary forms (excl. collodions and colloidin) 39122090 (01/1988-..) Plasticised cellulose nitrates, incl. collodions, in primary forms 39123100 (01/1988-..) Carboxymethylcellulose and its salts, in primary forms 39123910 (01/1988-12/2009) Ethylcellulose, in primary forms 39123920 (01/1997-..) Hydroxypropylcellulose in primary forms 39123980 (01/1997-12/2009) Cellulose ethers in primary forms (excl. carboxymethylcellulose and its salts, ethylcellulose and hydroxypropylcellulose) 39123985 (01/2010-..) Cellulose ethers in primary forms (excl. carboxymethylcellulose and its salts and hydroxypropylcellulose) 39123990 (01/1988-12/1996) Cellulose ethers, in primary forms (excl. ethylcellulose and carboxymethylcellulose and salts thereof) 39129010 (01/1988-..) Cellulose esters, in primary forms 39129090 (01/1988-..) Cellulose and chemical derivatives thereof, n.e.s., in primary forms (excl. cellulose acetates, cellulose nitrates, cellulose ethers and cellulose esters)