CH602903A5CH449173ACH449173ACH602903A5CH 602903 A5CH602903 A5CH 602903A5CH 449173 ACH449173 ACH 449173ACH 449173 ACH449173 ACH 449173ACH 602903 A5CH602903 A5CH 602903A5
Authority
CH
Switzerland
Application number
CH449173A
Inventor
Axel Jankewitz
Original Assignee
Schwan Bleistift Fabrik
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
Application filed by Schwan Bleistift FabrikfiledCriticalSchwan Bleistift Fabrik
Publication of CH602903A5publicationCriticalpatent/CH602903A5/xx