BS 7431:1991 PDF
Method for assessing solar water heaters. Elastomeric materials for absorbers, connecting pipes and fittings
Method for assessing solar water heaters. Elastomeric materials for absorbers, connecting pipes and fittings
- Формат:
- Электронный (PDF)
- Дата публикации:
- 29 марта 1991 г.
- ICS:
- 27.160
- SKU:
- BS 7431:1991