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Extract from the Register of European Patents

EP Citations: EP1536909

Cited inInternational search
Type:Patent literature
Publication No.:US4321031  [Y]
 (WOODGATE RALPH W) [Y] 1,4,8,9,14-16,18 * column 2, line 55 - column 3, line 10 * * column 5, line 16 - line 25 * * column 5, line 50 - line 67 * * abstract *;
Type:Patent literature
Publication No.:US4580716  [Y]
 (BARRESI ANTHONY J [US], et al) [Y] 1,4,8,9,14-16,18 * abstract *;
Type:Patent literature
Publication No.:US5156325  [A]
 (MISHINA HARUO [JP], et al) [A] 1-23 * column 4, line 26 - line 30 * * abstract *