the tanning process rapid ecological chromium, chromium - synthetic, cro mo - vegetable, vegetable, vegetable with high reduction of synthetic

摘要

the tanning process rapid ecological chromium chromium chromium synthetic, vegetable, vegetable, vegetable - synthetic with high reduction of discharges.achieved with the use of specific products (subject to claims in this patent) to organic base and makes it possible to avoid the stages of decalcinazione.maceration and the addition of salts in the pickel.