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Water quality. Microscopical biological qualitative and quantitative analysis
STANDARD published on 28.9.1987
Designation standards: ČSN 757711
Classification mark: 757711
Catalog number: 31279
Note: WITHDRAWN
Publication date standards: 28.9.1987
SKU: NS-135846
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Latest update: 2026-05-04 (Number of items: 2 275 493)
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