BS EN 331:2015 :
BS EN 331:2015 : 1389294
BS EN 331:2015 :
Title: Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
Pages: 50
Year:
Publisher: BSI
Availability: Within 1-2 working days BSI will directly send the standards to End-User after our confirmation.
Title: Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
Pages: 50
Year:
Publisher: BSI
Availability: Within 1-2 working days BSI will directly send the standards to End-User after our confirmation.
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