BITRON POLAND SP. Z O.O. (Sosnowiec, PL) International Classes: A47L15/00;A47L15/44;F03G7/06 Field of Search: 134/56D, 134/57D, 134/58D, 134/93, 134/94.1, 222/651, 337/123, 337/140 View Patent Images: Download PDF 10441130 ...