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100 | _aBethlehem Structural Company | ||
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_aBethlehem structural shapes : _binformation and tables for architects, engineers and designers of buidings and other steel structures |
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_aBethlehem, Pa. : _bBethlehem Steel, _cc1938 |
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_a134 p. ; _c23 cm |
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650 | 0 |
_aAcero de construcción _xCatálogos |
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