| 摘要 |
FIELD: electricity. ^ SUBSTANCE: what is offered is an electric appliance containing a tank in which water is boiled, and lime scale removers for the boiler; said lime scale removers comprise a scale collector mounted close to a tank bottom. The tank mentioned above is demountable through a hole formed in either a side wall of the tank, or at the top of the tank, and said hole is plugged, while the collector is elongated to facilitate removal from the tank through said aperture. ^ EFFECT: promoted easy lime scale remove from the water boiling devices. ^ 12 cl, 9 dwg |
