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Application filed by Poul Arne TillegreenfiledCriticalPoul Arne Tillegreen
Priority to DK189256ApriorityCriticalpatent/DK88767C/da
Priority to DE1956B0027827prioritypatent/DE1750549U/de
Application grantedgrantedCritical
Publication of DK88767CpublicationCriticalpatent/DK88767C/da