| 摘要 |
<p>The invention relates to a gas-dispensing device for connecting a plurality of pressurized gas sources (E1, E2, E3, E4) to a user, the device including a housing provided with a plurality of gas inlets to be connected to respective gas sources (E1, E2, E3, E4) and an outlet to be connected to a user member, a dispensing member that selectively movable, relative to the body, into separate dispensing positions for selectively putting each inlet in communication with the outlet in turn, while the other inlets are isolated from the outlet, characterized in that the device comprises an emergency discharge system that is movable into an operative position in which all the gas inlets are simultaneously forcedly connected to a gas discharge outlet.</p> |
