Extract from the Register of European Patents

EP Citations: EP0115532

Cited inInternational search
Type:Patent literature
Publication No.:US3604927  [A]
 (HIRSCHFELD TOMAS);
Type:Patent literature
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Type:Patent literature
Publication No.:US3998591  [Y]
 (ECKFELDT EDGAR LAWRENCE);
Type:Patent literature
Publication No.:US4050895  [Y]
 (HARDY EDGAR E, et al);
Type:Patent literature
Publication No.:US4106909  [A]
 (DAVID DONALD J, et al);
Type:Patent literature
Publication No.:US4133639  [A]
 (HARTE RICHARD A);
Type:Patent literature
Publication No.:US4321057  [A]
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Type:Patent literature
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Type:Patent literature
Publication No.:US4399099  [AT]
 (BUCKLES RICHARD G [US]);
Type:Patent literature
Publication No.:EP0075353  [XP]