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 JP11302378Aexternal-prioritypatent/JPS5540612A/ja
Priority claimed from JP2234079Aexternal-prioritypatent/JPS55115898A/ja
Priority claimed from DK382979Aexternal-prioritypatent/DK153492C/da
Application filed by Toyo Jozo KkfiledCriticalToyo Jozo Kk
Publication of DK446985D0publicationCriticalpatent/DK446985D0/da
Publication of DK446985ApublicationCriticalpatent/DK446985A/da
Publication of DK156071BpublicationCriticalpatent/DK156071B/da
Application grantedgrantedCritical
Publication of DK156071CpublicationCriticalpatent/DK156071C/da