(1966). Specification for cast iron flanged pipes and flanged fittings. London: British Standards Institution.
Παραπομπή Chicago StyleSpecification for Cast Iron Flanged Pipes and Flanged Fittings. London: British Standards Institution, 1966.
Παραπομπή MLASpecification for Cast Iron Flanged Pipes and Flanged Fittings. London: British Standards Institution, 1966.
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