BS 5M 23-1987 标准详情
- 标准号:BS 5M 23-1987
- 中文标题:管道识别系统规范
- 英文标题:Specification for an identification scheme for pipelines
- 标准类别:英国标准
- 发布日期:1987-11-30
Includes a modified scope and field of application. A symbol for filtered air has been added, and details of the supplementary marker have been expanded.
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