The 'A8' part of this patent document identifier is the Kind Code (the "kind of document"), which in this case indicates that the document is a correction to the title page of the application:
WO 2002/101622 A8
What you are looking for is the 'A1' document (the published patent application itself):
WO 2002/101622 A1
Note the 'Also published as ...' lists ...