| 摘要 |
<p>1515718 Septic tanks CONDER GROUP SERVICES Ltd 23 Sept 1976 [23 Sept 1975] 39017/75 Heading E1C A bulbous septic tank 1 e.g. of fibre-reinforced plastics, consists of two halves between which is clamped, as by flange-bolting the two halves, the periphery of an upstanding apertured baffle plate 3. The plate 3 carries further baffles 4a, 4b as in Specification 1515719 and cooperates with inlet and outlet tubes 11, 13. The tank neck 2 receives a manhole cover and may be (a) in one separate piece for flange-bolting, (b) in two separate halves or (c) in two halves each integral with a tank half.</p> |
