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标准下载>GB/T 18779.1-2022 产品几何技术规范(GPS) 工件与测量设备的测量检验 第1部分:按规范验证合格或不合格的判定规则 Geometrical product specifications (GPS ) - Inspection by measurement of workpieces and measuring equipment- Part 1 : Decision rules for verifying conformity or nonconformity with specific免费下载