LU72668A1LU72668ALU72668ALU72668A1LU 72668 A1LU72668 A1LU 72668A1LU 72668 ALU72668 ALU 72668ALU 72668 ALU72668 ALU 72668ALU 72668 A1LU72668 A1LU 72668A1
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LU
Luxembourg
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LU72668A
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E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
E04C2/384—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame