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Priority claimed from US05/713,599external-prioritypatent/US4170691A/en
Application filed by Coiled Investments IncfiledCriticalCoiled Investments Inc
Priority to AT389283ApriorityCriticalpatent/AT383970B/de
Publication of ATA389283ApublicationCriticalpatent/ATA389283A/de
Application grantedgrantedCritical
Publication of AT383970BpublicationCriticalpatent/AT383970B/de