NBN EN ISO 6411-1998 标准详情
- 标准号:NBN EN ISO 6411-1998
- 中文标题:
- 英文标题:Dessins Techniques - Representation Simplifiee Des Trous De Centre
- 标准类别:比利时标准NBN
- 发布日期:
Defines the simplified representation of centre holes together with their designation. It is possible to use simplified representation of centre holes especially when it is unnecessary to show the exact form and size and where the designation of stan
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