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Priority to DK39186ApriorityCriticalpatent/DK39186D0/da
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DK39186A1986-01-271986-01-27Telt, navnlig til brug ved off-shore konstruktioner, broer eller lignende konstruktioner, der baeres af soejler
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Analogifremgangsmaade til fremstilling af dibenzo(b,d)-pyran-forbindelser og 6-oxo-dibenzo(b,d)pyran-forbindelser til anvendelse som udgangsmateriale ved fremgangsmaaden