| 摘要 |
PCT No. PCT/EP92/00538 Sec. 371 Date Oct. 7, 1993 Sec. 102(e) Date Oct. 7, 1993 PCT Filed Mar. 10, 1992 PCT Pub. No. WO92/16698 PCT Pub. Date Oct. 1, 1992.A passage choke in particular for the outlet of a plumbing fixture which is installed between the end (9) of the outlet (5) and an aerator (6) or a flow controller, which is provided with a through-flow opening (8) which advantageously has to enlarge it a knockout (12).
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