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PCE
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CPC Subgroup
E04C 3/32

of metal (E04C3/36 takes precedence)

Full Title

Structural elongated elements designed for load-supporting (as building aids E04G) > Columns; Pillars; Struts (not designed for end loading E04C3/02; posts, masts, as independent structures E04H12/00) > of metal (E04C3/36 takes precedence)