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The Bell System technical journal . l purpose relay is one of the most important components oftelephone switching systems.^ These relays constitute the most repetitivebuiUUng block in switching equipment. Since several
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The Bell System technical journal . CROSSBAR DIAL TELEPHONE SWITCHING SYSTEM 87 Multi-Contact Relay The multi-contact relay used in the crossbar system is shown inFie:. 5. It resembles in design the