Supposeyourelevators’ageisolderthan15-20years,youmayneedsparepartsbelowwhenreplacinginnecessity.如果你有以下品牌15-20年以上的老式电梯，那么它可能使用到以下零件。DCTachometergeneratorsmadeby"RadioEnergieSA"KONEPARTNR..KM811491G01KM194860KM253879US66558001OTISPARTNR.FOB20852152SCHINDLERPARTNR.544203THYSSENKRUPPPARTNR.009004030WUTTURPARTNR.253879)