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C series casting multi-stage centrifugal blower

The series includes two-stage series Roots blower and two-stage wet Roots vacuum pump. Due to efficiency and temperature rise and other reasons, single-stage blower (vacuum pump) pressure ratio is gen

TRR Two - stage series Roots vacuum pump

The series includes two-stage series Roots blower and two-stage wet Roots vacuum pump. Due to efficiency and temperature rise and other reasons, single-stage blower (vacuum pump) pressure ratio is gen

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