QB/T 1239-1991
Electric tankless water heaters (English Version)
- Standard No.
- QB/T 1239-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Light Industry
- Latest
- QB/T 1239-1991
QB/T 1239-1991 history
- 1991 QB/T 1239-1991 Electric tankless water heaters
