| 摘要 |
<p>1,188,251. Drinking appliances. FOX PRODUCTS CO. 23 May, 1968 [16 June, 1967], No. 24724/68. Heading A1M. [Also in Division F2] In a poultry watering arrangement valves 5 e.g. of the type disclosed in Specification 1,161,456 are held in ports in a polymeric conduit 21 by elastomeric grommets 24. Each grommet may have a coloured indicator on its outer surface to ensure that shaped surfaces of its flanges are correctly aligned with the mating surfaces of the conduit.</p> |
