An improved structure paper mop board facing that is adhesion mounted at the ground level aspect and, furthermore, efficiently removes by absorption dust on floors. The paper mop board facing is adhesively attached to the floor section of the mop board and consists of a number of a pliable and, furthermore,...http://www.google.es/patents/US6317917?utm_source=gb-gplus-sharePatente US6317917 - Structure paper mop board facing