| 摘要 |
Inhalation device comprises a cap (US) which fits on the gas tank (VB). This carries a face mask (IM) and a system for opening a valve (VE) between the tank and mask. This is operated by a handle (GA) which extends beyond the cap and mask. An Independent claim is included for a portable inhalation device as described, but with a container of additive between the tank and mask. |
