Tender for Signal Aspect Led Signal Unit, 110v Ac With Health Monitor Alarm Unit Having Lamp Proving Output To Drive Led Lamp Proving Relay, The Complete Unit Conforming To Rdso Specification No. Rdso/spn/153/2004 Revision 3 Or With Latest Amendment Or To The Latest Specification Of Led Signal Aspects And Technical Specifications.supply Of Various Led Signals (subsidiary Signal), 110v Ac Retrofittable In Existing Cls Housingand Compatible With Ac Led Ecr As Per Rdso Specn.no.rdso/spn/153/2011 (rev.4.1) Orlatest.(items To Be Procured Through Stores) Led For 'shunt Signal Aspect'. in Tinsukia - Assam

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