Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Techmetal PromotionfiledCriticalTechmetal Promotion
Publication of HU905779D0publicationCriticalpatent/HU905779D0/hu
Publication of HUT57439ApublicationCriticalpatent/HUT57439A/hu
HU577990A1989-09-051990-09-04Process and apparatus for measuring concentration of suspended dust being present in atmosphere and transferred by wind
HU905779D0
(en)