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Priority claimed from US06/008,686external-prioritypatent/US4330260A/en
Application filed by Jydsk Varmekedelfab AsfiledCriticalJydsk Varmekedelfab As
Priority to DK400580ApriorityCriticalpatent/DK146267C/da
Publication of DK400580ApublicationCriticalpatent/DK400580A/da
Publication of DK146267BpublicationCriticalpatent/DK146267B/da
Application grantedgrantedCritical
Publication of DK146267CpublicationCriticalpatent/DK146267C/da