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Extract from the Register of European Patents

EP Citations: EP0009049

Cited inInternational search
Type:Patent literature
Publication No.:US3491236  [X]
 (NEWBERRY STERLING P);
Type:Patent literature
Publication No.:US4117340  [X]
 (GOTO EIICHI, et al);
Type:Patent literature
Publication No.:US4110622  [X]
 (TROTEL JACQUES);
Type:Patent literature
Publication No.:US3413517  [A]
 (RUSSELL BARBER ROBERT, et al);
Type:Patent literature
Publication No.:US3876883  [A]
 (BROERS ALEC NIGEL, et al)