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Priority claimed from GB5838467Aexternal-prioritypatent/GB1215722A/en
Priority claimed from DK142068AAexternal-prioritypatent/DK136113B/da
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Publication of DK687574ApublicationCriticalpatent/DK687574A/da
Publication of DK134980BpublicationCriticalpatent/DK134980B/da
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Publication of DK134980CpublicationCriticalpatent/DK134980C/da
DK687574A1967-04-241974-12-30Fremgangsmåde til modificering af de kemiske og/eller fysiske egenskaber hos glas eller vitrokrystallinsk materiale ved ion-diffusion.
DK134980B
(da)