Extract from the Register of European Patents

EP Citations: EP0890396

Cited inSearch
Type:Patent literature
Publication No.:US4649622  [X]
 (SCOTT WILLIAM B [US]) [X] 1 * the whole document *;
Type:Patent literature
Publication No.:US4991422  [DA]
 (SARTORIO FRANCO [IT]);
Type:Patent literature
Publication No.:EP0530375  [A]
 (AMADA CO LTD [JP])