Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DK217183Aexternal-prioritypatent/DK148580C/da
Application filed by Toepholm & WestermannfiledCriticalToepholm & Westermann
Application grantedgrantedCritical
Publication of ATE28773T1publicationCriticalpatent/ATE28773T1/de