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Specification for pressure operated relay valves for gas burning appliances.
Translate name
STANDARD published on 13.2.1970
Designation standards: BS 1963:1969
Note: WITHDRAWN
Publication date standards: 13.2.1970
SKU: NS-956539
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: British technical standard
Category: Technical standards BS
Latest update: 2026-08-02 (Number of items: 2 290 553)
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