| 摘要 |
<p>A respirator having a cup-like body (7) associated with an air inlet (8) and an air outlet (9) and having a peripheral sealing element (2) shaped for location across the nose and around the mouth of a wearer wherein the sealing element (2) is located in position by a clamping element (3) which is releasably secured to the cup-like body (7).</p> |
