| 摘要 |
PCT No. PCT/SE94/00648 Sec. 371 Date Dec. 8, 1995 Sec. 102(e) Date Dec. 8, 1995 PCT Filed Jun. 30, 1994 PCT Pub. No. WO95/01227 PCT Pub. Date Jan. 12, 1995A nozzle device comprises a nozzle (1) having an outlet (2), an inlet (3) and a passage (4) extending between the inlet and outlet. The passage is defined by at least two parts (7, 8), which are movable relative to each other and arranged to be able to be moved away from each other by relative movement so as to widen the passage. |
