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- Google Patents
CS255540B1 - Device for automatic control of sludge removal from sludge bed
- Google Patents
Device for automatic control of sludge removal from sludge bed
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Application filed by Vladimir K Maslic, Leonid M JagudinfiledCriticalVladimir K Maslic
Publication of CS373084A1publicationCriticalpatent/CS373084A1/cs
Publication of CS255540B1publicationCriticalpatent/CS255540B1/cs