8405 Producer gas or Water gas Generators, With or Without Their Purifiers, Acetylene gas Generators and Similar Water Process gas Generators, With or Without Their Purifiers, Parts Thereof (Excl. Coke Ovens, Electrolytic Process gas Generators and Carbide LaMps)

8405 (01/1988-..) Producer gas or Water gas Generators, With or Without Their Purifiers, Acetylene gas Generators and Similar Water Process gas Generators, With or Without Their Purifiers, Parts Thereof (Excl. Coke Ovens, Electrolytic Process gas Generators and Carbide LaMps) 84051000 (01/1988-..) Producer gas or Water gas Generators, With or Without Their Purifiers, Acetylene gas Generators and Similar Water Process gas Generators, With or Without Their Purifiers (Excl. Coke Ovens, Electrolytic Process gas Generators and Carbide Lamps) 84059000 (01/1988-..) Parts of Producer gas or Water gas Generators and Acetylene gas Generators or Similar Water Process gas Generators, N.e.s.