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Application filed by P ThorupfiledCriticalP Thorup
Priority to DE19752540541priorityCriticalpatent/DE2540541A1/de
Priority to US05/613,293prioritypatent/US4048723A/en
Publication of DK374475ApublicationCriticalpatent/DK374475A/da
Publication of DK135408BpublicationCriticalpatent/DK135408B/da
Application grantedgrantedCritical
Publication of DK135408CpublicationCriticalpatent/DK135408C/da
