DIN ISO 6411 E : 1997现行
TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF CENTRE HOLES
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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基本信息
标准编号： DIN ISO 6411 E : 1997
发布时间：1997/1/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：8
标准简介
The simplified representation of centre holes and their designation is specified in this standard. The simplified representation of centre holes may be used where the designation of standardized centre holes is sufficient for information and particularly when it is not necessary to show the exact form and size.
