72112320 --- ?Electrical?
28121600 -- Sulphur dichloride
39095010 -- Polyurethane of 2,2?-(tert-butylimino)diethanol and 4,4?-methylenedicyclohexyl diisocyanate, in the form of a solution in N,N-dimethylacetamide, containing by weight 50?% or more of polymer
58030030 - Of silk or silk waste
74112200 -- Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)