CH552242ACH20571ACH20571ACH552242ACH 552242 ACH552242 ACH 552242ACH 20571 ACH20571 ACH 20571ACH 20571 ACH20571 ACH 20571ACH 552242 ACH552242 ACH 552242A
Authority
CH
Switzerland
Application number
CH20571A
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 filedfiledCritical
Publication of CH552242ApublicationCriticalpatent/CH552242A/xx