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1 heading found for 125498241 ( in dnb)
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Lellep, Otto, 1884-1975.
Lellep, Otto G., 1884-1975 Otto Lellep Ironworks, metal smelting and cement specialist; machine manufacture ... Lellep, Otto |
Personal | Sposób i urządzenie do wypalania cementu : opis patentowy : nr 12828 : kl. 80 c
...
The unshakeable faith of an inventor, 2022: |