28 / | HD | TEXTILES: MANUFACTURING |
217 | DF | THREAD FINISHING {4} |
219 | DF | .~ Surface modification of running length {5} |
240 | DF | .~.~ Stretching apparatus {4} |
245 | DF | .~.~.~ Between spaced, differentially driven surfaces {1} |
246 | .~.~.~.~ With intermediate treating |