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JIS B0683-2-2017 產(chǎn)品幾何量技術(shù)規(guī)范(GPS)--直線度--第2部分：規(guī)范操作集 Geometrical product specifications (GPS)...2023-10-07

DIN EN 12956/A1-2020 Wallcoverings in roll form - Determination of dimensions, straightness, spongeability ...2023-07-11

The process analysis and improvement of the slender and flat shaft of track recorder2020-11-22