DIN ISO 7388-3 (2015-03)現行
Tool shanks with 7/24 taper for automatic tool changers Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF (ISO 7388-3:2013)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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