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PRB NV
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C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
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Organic Chemistry
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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DE196969307641968-08-051969-08-01Verfahren zur herstellung von octogen, einrichtungen zu dessen herstellung und hergestellte produkte
ExpiredDE6930764U
(de)
Verfahren zur Herabsetzung der Viskositaet viskoser Loesungen von Nitrozellulose undderen Zusammensetzungen wie Zelluloid, ferner von Azetylzellulose und anderen Zelluloseestern
Verfahren zur Behandlung fester Koerper,Anwendung desselben auf die Herstellung von halb hydriertem Kalziumsulfat,Apparatur zur Ausuebung dieses Verfahrens und mittels desselben hergestellte Erzeugnisse