
Geometrical product specifications (GPS) - Micrometers Part 1: Micrometers for external measurements; maximum permissible errors
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Geometrical product specifications (GPS) - Micrometers Part 1: Micrometers for external measurements; maximum permissible errors
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频