8 / | HD | BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS |
467 | DF | DIFFUSION TRANSFER DYEING PROCESS, TRANSFER SHEET AND PRODUCT {3} |
470 | DF | .~ Dry heat treatment for penetration {1} |
471 | .~.~ Sublimation {1} | |
472 | DF | .~.~.~> Air pressure |