| 摘要 |
<p>PCT No. PCT/EP96/01787 Sec. 371 Date Nov. 3, 1997 Sec. 102(e) Date Nov. 3, 1997 PCT Filed Apr. 29, 1996 PCT Pub. No. WO96/35325 PCT Pub. Date Nov. 14, 1996The invention concerns an elastic hose with a shaped unsymmetrical cross-section for the delivery of liquids or gases through apertures along the hose, the delivery rate being uniform even over long lengths of hose. The hose is optionally housed in an outer tension-proof cover tube with an open cross-section, in particular a tube open along a generatrix, for the reception of additioned liquids or gases.</p> |
