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Priority claimed from US557005Aexternal-prioritypatent/US3403722A/en
Application filed by Stone & Webster Eng CorpfiledCriticalStone & Webster Eng Corp
Priority to DK264770ApriorityCriticalpatent/DK135472B/da
Publication of DK135472BpublicationCriticalpatent/DK135472B/da
Application grantedgrantedCritical
Publication of DK135472CpublicationCriticalpatent/DK135472C/da