| 摘要 |
A filtering inlet (4) fits near one cross-sectional enlargement (3) and/or directly on it while bordering on a side opposite a reduction of area (2). A filtering outlet (4) fits near another cross-sectional enlargement and/or on it while directly bordering on a side opposite the reduction area. An independent claim is also included for a drinking and domestic water system with floor-by-floor and riser pipe branching. |
