| 摘要 |
An anti-tamper attachment comprises a cap (31) fittable over the gas discharge valve (11) of a pressurised gas container (12), a fixing device (32) which is arranged so as to engage with the outlet of the gas discharge valve and project through a wall in the cap, and a security device, such a key operated padlock (33), which can be releasably fastened to the fixing device to prevent unauthorised removal of the cap. <IMAGE> |
