Patent classifications
E
FIXED CONSTRUCTIONS
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E05
LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
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E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
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15/00
Power-operated mechanisms for wings
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E05F15/60
using electrical actuators
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E05F15/603
using rotary electromotors
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E05F15/63
operated by swinging arms
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E05F2015/631
the end of the arm sliding in a track; Slider arms therefor
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