
Hand and machine-operated circular screwing dies and hand-operated die stocks (ISO 2568:1988); german version EN 22568:1989
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Hand and machine-operated circular screwing dies and hand-operated die stocks (ISO 2568:1988); german version EN 22568:1989
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频