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DK264462A1961-06-191962-06-14Bøjelig slange, der er dannet af et skrueformet opviklet, strimmelformet element, og maskine til fremstilling af slangen.
DK100898C
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Fremgangsmåde til fremstilling af 5-sulfonylpropyl- eller 5-sulfonylpropyliden-5H-dibenzo-[a,d]-cycloheptener eller -5H-dibenzo-[a,d]-10,11-dihydrocycloheptener.