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兖州矿业（集团）公司机械制修厂研制的ＱＢＺ系列矿用隔爆型真空电磁起动器，具有良好的安全性能和电气性能，延长了设备的使用寿命，达到了国内的先进水平，是一种更新换代的产品，已经由专家通过了技术鉴定。该系列真空电磁起动器是综合了国内各种产品的优点而设计出来...
QBZ series mine flameproof vacuum electromagnetic starter developed by Yanzhou Mining (Group) Machinery Factory has good safety performance and electrical performance, prolongs the service life of equipment and reaches the advanced level in China Renewal of the product, has passed the technical appraisal by experts. The series of vacuum electromagnetic starter is integrated with the advantages of various domestic products designed ...