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GB/T 40742.2-2021
产品几何技术规范（GPS） 几何精度的检测与验证 第2部分:形状、方向、位置、跳动和轮廓度特征的检测与验证
Geometrical product specifications (GPS)—Geometrical precision verification—Part 2:Verification of form characteristics, orientation characteristics, position characteristics, run-out characteristics and profile characteristics
GB/T 39584-2020
Programming interface specification of middleware for developing navigation electronic map application
GB/T 39588-2020
Requirements and test methods for electrostatic shielding packaging bags
GB/T 39614-2020
Quality assessment specifications for reference stations using global navigation satellite system
GB/T 39612-2020
Specifications for low-altitude digital aerial photography and data processing
GB/T 39648-2020
Textiles—Tests for colour fastness—Determination of colour fastness grades by digital imaging techniques