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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1/00
Scaffolds primarily resting on the ground
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E04G1/22
Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism
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