CECS 21-1990
(English Version)
- Standard No.
- CECS 21-1990
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Recommended Standards for Engineering Construction
- Status
- Replace By
- CECS 21-2000
- Latest
- CECS 21-2000
CECS 21-1990 history
- 1970 CECS 21-2000 Technical specification for inspection of concrete defects by ultrasonic method
- 1970 CECS 21-1990
