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E04C3/00—Structural elongated elements designed for load-supporting
E04C3/30—Columns; Pillars; Struts
E04C3/32—Columns; Pillars; Struts of metal
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Architecture
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Structural Engineering
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FR914877D1945-04-191945-04-19Perfectionnements apportés aux éléments des constructions métalliques et à leurs procédés de fabrication
ExpiredFR914877A
(fr)