
Fasteners – Hexagon washer head drilling screws with tapping screw thread (ISO 15480:2019); German version EN ISO 15480:2019
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Fasteners – Hexagon washer head drilling screws with tapping screw thread (ISO 15480:2019); German version EN ISO 15480:2019
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频