CH557908ACH1602272ACH1602272ACH557908ACH 557908 ACH557908 ACH 557908ACH 1602272 ACH1602272 ACH 1602272ACH 1602272 ACH1602272 ACH 1602272ACH 557908 ACH557908 ACH 557908A
Authority
CH
Switzerland
Application number
CH1602272A
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
Priority to CH1602272ApriorityCriticalpatent/CH557908A/xx
Priority to JP1973011132Uprioritypatent/JPS5217582Y2/ja
Priority to US05/411,928prioritypatent/US3939877A/en
Priority to CS751973Aprioritypatent/CS172986B2/cs
Publication of CH557908ApublicationCriticalpatent/CH557908A/xx