Specification for installation of low pressure gas pipework of up to 28 mm (R1) in domestic premises (2nd family gas).
NORMA vydána dne 14.2.2003
Designation standards: BS 6891:1998
Note: NEPLATNÁ
Publication date standards: 14.2.2003
The number of pages: 34
Approximate weight : 102 g (0.22 lbs)
Country: British technical standard
Kategorie: Technické normy BS