Patent classifications
E
FIXED CONSTRUCTIONS
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E04
BUILDING
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E04G
SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
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3/00
Scaffolds essentially supported by building constructions, e.g. adjustable in height
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E04G3/24
specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
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E04G3/26
specially adapted for working on roofs
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