CH581911A5CH47973ACH47973ACH581911A5CH 581911 A5CH581911 A5CH 581911A5CH 47973 ACH47973 ACH 47973ACH 47973 ACH47973 ACH 47973ACH 581911 A5CH581911 A5CH 581911A5
Authority
CH
Switzerland
Application number
CH47973A
Original Assignee
Saint Gobain
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 Saint GobainfiledCriticalSaint Gobain
Publication of CH581911A5publicationCriticalpatent/CH581911A5/xx