CH601029A5CH720976ACH720976ACH601029A5CH 601029 A5CH601029 A5CH 601029A5CH 720976 ACH720976 ACH 720976ACH 720976 ACH720976 ACH 720976ACH 601029 A5CH601029 A5CH 601029A5
Authority
CH
Switzerland
Application number
CH720976A
Inventor
Helmut Hetzel
Original Assignee
Helmut Hetzel
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 DE19752527252external-prioritypatent/DE2527252C3/de
Priority claimed from DE19762609385external-prioritypatent/DE2609385A1/de
Application filed by Helmut HetzelfiledCriticalHelmut Hetzel
Publication of CH601029A5publicationCriticalpatent/CH601029A5/xx
