
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)

專家解讀視頻
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)
專家解讀視頻