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Priority claimed from US06/033,285external-prioritypatent/US4313273A/en
Priority claimed from US06/033,284external-prioritypatent/US4313272A/en
Application filed by Laser Products CorporationfiledCriticalLaser Products Corporation
Priority claimed from EP19800301303external-prioritypatent/EP0018769B1/de
Application grantedgrantedCritical
Publication of ATE11078T1publicationCriticalpatent/ATE11078T1/de