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  • Vacuum pump development
    Vacuum pump development With the development of the application of vacuum, the vacuum pump has developed a variety of species, their pumping speed from zero point liters per second to hundreds of thou...

  • Magnetron sputtering vacuum coating machine features
    Magnetron sputtering coating machine , take use of coating of sputtering process can improve the coating adhesion, repeatability, density, uniformity and other characteristics, specific characteristics...

  • Vacuum brazing of copper tubes using Ag-Cu filler (3)
      Vacuum brazing of copper tubes using Ag-Cu filler (3)    Fig.3 Microstructure of copper tube vacuum brazing joints when brazing temperature is 810oC with different holding ...

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