CH577744A5CH1568172ACH1568172ACH577744A5CH 577744 A5CH577744 A5CH 577744A5CH 1568172 ACH1568172 ACH 1568172ACH 1568172 ACH1568172 ACH 1568172ACH 577744 A5CH577744 A5CH 577744A5
Authority
CH
Switzerland
Application number
CH1568172A
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & CiefiledCriticalBbc Brown Boveri & Cie
Priority to CH1568172ApriorityCriticalpatent/CH577744A5/xx
Priority to DE2254778Aprioritypatent/DE2254778B2/de
Publication of CH577744A5publicationCriticalpatent/CH577744A5/xx
