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Extract from the Register of European Patents

EP Citations: EP0546223

Cited inSearch
Type:Patent literature
Publication No.:GB487908  [X]
 (PHILLIPS & POWIS AIRCRAFT LTD, et al);
Type:Patent literature
Publication No.:US4556086  [X]
 (RAINES KENNETH C [US]);
Type:Patent literature
Publication No.:US4749003  [X]
 (LEASON HAYDEN [US]);
Type:Patent literature
Publication No.:US4856555  [A]
 (GAUSMAN THEODORE J [US], et al)