| 摘要 |
<p>PCT No. PCT/SU80/00159 Sec. 371 Date May 17, 1982 Sec. 102(e) Date May 17, 1982 PCT Filed Sep. 25, 1980 PCT Pub. No. WO82/01236 PCT Pub. Date Apr. 15, 1982.Disclosed is a straightway valve comprising a housing made from interconnected stiff members, closing members made as toothed plates (10) pinched between the adjacent stiff members. Every toothed plate (10) is made as teeth (11 or 12) having their roots secured to a backing (20).</p> |
