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| 110 | 2 | ⊔ | ‡aBethlehem Steel Company. |
| 245 | 1 | 0 | ‡aBethlehem sections, catalogue ... |
| 260 | ⊔ | ⊔ | ‡aBethlehem, Pa. ‡cc19-- |
| 300 | ⊔ | ⊔ | ‡av. ‡c19cm. |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aSteel, Structural ‡xCatalogs. |
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| 974 | ⊔ | ⊔ | ‡bMIU ‡cMIU ‡d20221125 ‡sgoogle ‡umdp.39015064397535 ‡y1989 ‡ric ‡qbib ‡tUS bib date2 >= 1929 |