| 摘要 |
PCT No. PCT/DE90/00076 Sec. 371 Date Dec. 4, 1990 Sec. 102(e) Date Dec. 4, 1990 PCT Filed Feb. 5, 1989 PCT Pub. No. WO90/08926 PCT Pub. Date Aug. 9, 1990.In a device for aerating and, if necessary, deaerating a space by means of individual nozzles arranged in a casing box (4, 4a), at least one individual nozzle (14) is rigidly mounted in a nozzle grid (5, 5a) arranged so as to swivel about an axis of the casing box (4, 4a).
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