| 摘要 |
976,521. Filters for liquids. ROLLS-ROYCE Ltd. April 4, 1963, No. 13516/63. Heading B1D. Liquid flows from inlet 13 without sudden change of direction into three tapering inlet slots 17 and passes by way of one or more external threads all provided in a generallycylindrical member 15 to three tapering outlet slots 20 also provided in member 15 for discharge, again without sudden change of direction, at 14. |
