Patent classifications
E
FIXED CONSTRUCTIONS
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E04
BUILDING
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E04C
STRUCTURAL ELEMENTS; BUILDING MATERIALS
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2/00
Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
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E04C2/44
characterised by the purpose
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E04C2/48
as high as or higher than the room, i.e. having provisions concerning the connection with at least two floors
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