| 摘要 |
A multistory building constructed of prefabricated parallelepiped sections, each of which has a similar framework of metal beams disposed at the section's edges, the upright beams at the vertical edges being hollow and disposed so that in superimposed sections they are abutting, said upright beams being covered with concrete for fireproofing and filled with concrete to extend between abutting beams rigidly to connect same.
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