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经营范围 | 公司主要经营vacuumcapacitor,interrupters,contactors,thyratron,magnetron, GLVAC engages in R&D, manufacturing and selling the products of HV Relays, Vacuum Capacitors, Vacuum Interrupters, DC and AC Contactors, Circuit Breakers, Hydrogen Thyratrons, Magnetrons, Spark Gaps a |