capitanu stanca rom.pdf5. brevet ro 108.246 / 1993 — procedeu de obtinere a unor polieteri —...
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- CAPITANU Stanca rom.pdf5. Brevet RO 108.246 / 1993 — Procedeu de obtinere a unor polieteri — polioli pentru spume poliuretanice rigide. 6. Brevet RO 108.247 / 1993 — Procedeu
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