Patent classifications
E
FIXED CONSTRUCTIONS
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E04
BUILDING
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E04B
GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
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2/00
Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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E04B2/74
Removable non-load-bearing partitions; Partitions with a free upper edge
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E04B2/76
with framework or posts of metal
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E04B2/78
characterised by special cross-section of the frame members; as far as important for securing wall panels to a framework with or without the help of cover-strips
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E04B2/7809
of single or multiple tubular form
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E04B2/7818
of substantially rectangular form
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E04B2/7827
with all four sides of the profiles having substantially similar undercut grooves or connecting projections
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