| 摘要 |
1,199,058. Filter beds. UNION TANK CAR CO. 31 July, 1967 [24 Aug., 1966], No. 5890/ 70. Divided out of 1,199,057. Heading BID. The apparatus is constructed and operates similarly to that described in Specification 1,199,057, except that the vessel 91 and weir 88, downstream of the filter bed, are replaced by an inverted U-tube, similarly connected and performing the same function. |
