| 摘要 |
<p>The proximal end of the shaft has a handle ; the distal end has an implement (4) operated by the handle. The handle and the implement interact by means of at least one operating bar (6) from which the implement is detachable. The implement has a shaft (7) which is attached to the operating bar by means of protuberances (8) and or cavities (9) which engage with one another.,,</p> |
