CH598459A5CH589876ACH589876ACH598459A5CH 598459 A5CH598459 A5CH 598459A5CH 589876 ACH589876 ACH 589876ACH 589876 ACH589876 ACH 589876ACH 598459 A5CH598459 A5CH 598459A5
Authority
CH
Switzerland
Application number
CH589876A
Inventor
Friedrich Kortebein
Original Assignee
Mannesmann Ag
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 Mannesmann AgfiledCriticalMannesmann Ag
Publication of CH598459A5publicationCriticalpatent/CH598459A5/xx