NAAR http://irplus.eng.usm.my:8080/ir_plus/viewContributorPage.action?personNameId=12007 Contributor Page for: NAAR EngLib USM BS 4504-3.1:1989 Circular flanges for pipes, valves and fittings (PN designated). Steel, cast iron and copper alloy flanges - Specification for steel flanges http://irplus.eng.usm.my:8080/ir_plus/institutionalPublicationPublicView.action?institutionalItemVersionId=14104 Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail. Wed, 20 Jul 2022 15:39:39 +0800 institutional_item_version_id:14104