| 摘要 |
<p>There is provided a new and useful building component comprising a first series of elongated members arranged in parallel spaced apart relationship, at least two sets of aligned openings extending transversely through the first series of members, a second series of at least two elongated members extending substantially through respective ones of the sets of openings, and means for securing the first set of members to the second set of members in said parallel spaced apart relationship.</p> |
