Patent classifications
E
FIXED CONSTRUCTIONS
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E05
LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
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E05D
HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
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15/00
Suspension arrangements for wings
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E05D15/16
for wings sliding vertically more or less in their own plane
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E05D15/22
allowing an additional movement
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E05D2015/225
specially adapted for overhead wings
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