Specification for the installation and maintenance of low pressure gas installation pipework of up to 35 mm (R11) on premises.
NORMA vydána dne 30.11.2015
Designation standards: BS 6891:2015
Note: NEPLATNÁ
Publication date standards: 30.11.2015
The number of pages: 102
Approximate weight : 337 g (0.74 lbs)
Country: British technical standard