Extract from the Register of European Patents

EP Patent family: EP0280218
TypeType Equivalent
Publication No. DateType
EP0280218Global Dossier 25.09.1991A3
EP0280218 31.08.1988A2
Priority number Date
JP3772687 23.02.1987
TypeType Equivalent
Publication No. DateType
JPH0576957B 25.10.1993B2
JPH01163194 27.06.1989A
Priority number Date
JP3772687 23.02.1987
TypeType Equivalent
Publication No. DateType
US4946950 07.08.1990A
Priority number Date
JP3772687 23.02.1987