Standard number: GB∕T 38431-2019 Standard name: Static multiple light scattering method for evaluating the stability of particle d

Standard number: GB/T 38432-2019 Standard name: Particle -Gas-selid reaction measure-Micro fluidized bed method English name: Part

Standard number: GB 18218-2018 Standard name: Identification of major hazard installations for hazardous chemicals English name: I

Standard number: GB/T 35641-2017 Standard name: Basic technical requirements for engineering surveying and mapping English name: B

Standard number: GB/T 21010-2017 Standard name: Land use classification English name: Current land use classification Standard for

Standard number: GB/T 14912-2017 Standard name: 1: 500 1: 1 000 1: 2 000 Field digital mapping regulations English name: Specifica

Standard number: GB/T 35636-2017 Standard name: Specification for surveying and mapping of urban underground space English name: S

Standard number: GB/T 35637-2017 Standard name: Basic technical requirements for urban surveying and mapping English name: Basic t