Eurostat, Luxembourg. 3504 (01/1988-..) Peptones and their derivatives, other protein substances and their derivatives, n.e.s., hide powder, whether or not chromed (excl. organic or inorganic compounds of mercury whether or not chemically defined): CN 3504 /Exports /Unit = Prices (Euro/ton) /Partner: Czechoslovak /Reporter: Eur27 /3504:Peptones and Their Derivatives; Other Protein Substances and Their Derivatives, N.e.s.; Hide Powder, Whether or not Chromed (Excl. Organic or Inorganic Compounds of Mercury Whether or not Chemically Defined).