HB/Z 22-1991
Technical conditions for staff gauge (English Version)
- Standard No.
- HB/Z 22-1991
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Latest
- HB/Z 22-1991
- Replace
- HB/Z 22-1980
- Scope
- This standard specifies the environmental conditions, technical requirements, maintenance and inspection requirements for standard scales, fixed scales, positioning scales and scribed scales. This standard applies to the manufacture, maintenance and inspection of standard rulers, fixed rulers, positioning rulers and scribed rulers.
HB/Z 22-1991 history
- 1970 HB/Z 22-1991 Technical conditions for staff gauge
- 1970 HB/Z 22-1980 Standard ruler technical conditions
