CH 8004-1991
Standard metallic scale (Grade Ⅲ) (English Version)
- Standard No.
- CH 8004-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Surveying and Mapping
- Latest
- CH 8004-1991
- Scope
- This standard specifies the product specifications, technical requirements, test methods and inspection rules for third-class standard metal linear rulers. This standard applies to third-class standard metal linear rulers with double-sided markings of 1 m in length. The third-class standard metal linear ruler is one of the linear standard measuring tools stipulated in my country's linear value transfer system. It is mainly used for calibrating steel rulers, fourth-class level rulers, etc., and can also be used as a measuring tool for length measurement.
CH 8004-1991 history
- 1991 CH 8004-1991 Standard metallic scale (Grade Ⅲ)
