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  • ISO 5941-1979 - 中外标准 - - 1979/9 - 废止
    Lays down a series of preferred pressures to be used as reference pressure when presenting performance data for pneumatic equipment. Components for compressed air systems should also be designet to meet the standardized pressures. The stated pressure are effective (gauge) pressures, given in bars.
    气动设备压力性能气动工具压缩机CompressorsPerformancePneumatic equipmentPneumatic toolsPressure
  • ISO 3530-1979 - 中外标准 - - 1979/9 - 现行
    Only leak detectors are described which have an integral high vacuum system to maintain the sensing element of the mass spectrometer at a low pressure. Two procedures are outlined, one to determine the minimum detectable leak rate and the other for determination of the minimum detectable concentration ratio.
    校正检波器(回路)检漏仪真空工程质谱仪CalibrationDetectors (circuits)Leak detectorsMass spectrometersVacuum engineering
  • ISO 4123-1979 - 中外标准 - - 1979/2 - 现行
    Establishes the main dimensions of impact rings for carrying idlers and discs for return idlers used for the various types of belt conveyors.
    物料装卸支承环轴承滚柱冲击环规范带式输送机输送带主要尺寸附件隔离件托辊输送机尺寸AccessoriesBack-up ringsBearing rollersBelt conveyorsConveyor beltsConveyorsDimensionsImpact ringsMain dimensionsMaterials handlingRingsSpacersSpecifications
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