IEC 63241-2-1:20 24补充或修改了IEC 63241-1中的相应条款，从而将其转换为IEC标准:电动工具-粉尘测量程序-手持岩心钻机的特殊要求。 如果本第2-1部分中未提及IEC 63241-1:20 23的特定子条款，则该子条款在相关范围内适用。凡本标准中注明“添加”、“修改”或“替换”的，第1部分中的相关文本应作相应修改。

IEC 63241-2-1:2024 supplements or modifies the corresponding clauses in IEC 63241-1, so as to convert it into the IEC Standard: Electric motor-operated tools - Dust measurement procedure - Particular requirements for hand-held core drills.
Where a particular subclause of IEC 63241-1:2023 is not mentioned in this Part 2-1, that subclause applies as far as relevant. Where this standard states "addition", "modification" or "replacement", the relevant text in Part 1 is to be adapted accordingly.