6
Structural building components made principally of both wood and metal, with metal being the predominant feature, namely, load-supporting columns; load-supporting beams made principally of both wood and metal, with metal being the predominant feature; metal roof trusses; joists and rafters made principally of both wood and metal, with metal being the predominant feature; floor joists of wood with metal spacer members, with metal being the predominant feature
9
Computer software for designing and controlling the manufacture of structural building components
19
Structural building components made principally of both wood and metal, with wood being the predominant feature, namely, load-supporting columns; load-supporting beams made principally of both wood and metal, with wood being the predominant feature; roof trusses, joists and rafters made principally of both wood and metal with wood being the predominant feature; floor joists of wood with metal spacer members, with wood being the predominant feature
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