..., GOOD DYEING EFFECT FOR ALL COLOR SHADES . 4.NO POLLUTION PRODUCED DURING PROCESS...
..., and nitrodiaminobenzenes depending on color , tone, and shade desired. 用來作為染料的化學藥劑成份包括ο- and ρ-...
..., GOOD DYEING EFFECT FOR ALL COLOR SHADES . 4.NO POLLUTION PRODUCED DURING PROCESS...
..., and nitrodiaminobenzenes depending on color , tone, and shade desired. 用來作為染料的化學藥劑成份包括ο- and ρ-...