HMSC-2000-17A automatic hermetically sealed lead-acid accumulator charge is external accumulator charger of line administrative units (LAUs) in 408UL Tele-seismograph.

 
  • HMSC-2000-17A密封铅酸蓄电池自动充电器是408UL遥测地震仪测线管理单元(LAUs)外接蓄电池充电装置。
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