GB/T 40132-2021
便携式电子产品用振动电机通用规范
General specification of vibration motors for mobile devices
- 实施日期
- 2021-12-01
- ICS 分类
- 29.160.30
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 40132-2021
General specification of vibration motors for mobile devices
GB/T 40131-2021
General specification for reduced-speed permanent-magnet stepping motors
GB/T 40130-2021
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Surface chemical analysis—Secondary ion mass spectrometry—Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
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Full face tunnel boring machine—Rectangular earth pressure balance pipe jacking machine
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Technical product documentation—Representation of product residual stress symbol
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Agricultural irrigation equipment—Thermoplastic collapsible hoses for irrigation—Specifications and test methods
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Plain bearings—Testing under conditions of hydrodynamic and mixed lubrication in test rigs
GB/T 40117-2021
Non-destructive testing—Evaluation of vision acuity of NDT personnel
GB/T 40116-2021
Foil bearings—Performance of hydrodynamic gas journal bearings—Testing of static load capacity, friction coefficient and lifetime
GB/T 40115-2021
Meters for irrigation water
GB/T 40114-2021
Jewellery—Determination of precious metal content—Difference method using inductively coupled plasma optical emission spectroscopy
GB/T 40113.1-2021
Technical specification for the co-production engineering of biomass pyrolysis carbon gas oil—Part 1: Process design