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OENORM EN 15553
Petroleum products and related materials - Determination of hydrocarbon types - Fluorescent indicator adsorption method
Edition
2025-01-15
OENORM EN 15553/A1
Petroleum products and related materials - Determination of hydrocarbon types - Fluorescent indicator adsorption method
Edition
2024-05-15
OENORM EN 15558
Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
Edition
2009-05-15
OENORM EN 15559
Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
Edition
2009-05-15
OENORM EN 15560
Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
Edition
2023-11-01
OENORM EN 15561
Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
Edition
2023-11-01
OENORM EN 15562
Inorganic fertilizers - Determination of cyanamide nitrogen
Edition
2023-11-01
OENORM EN 15564
Precast concrete products - Resin bound concrete - Requirements and test methods
Edition
2009-04-15
OENORM EN 15565
Tourism services - Requirements for the provision of professional tourist guide training and qualification programmes
Edition
2008-05-01
OENORM EN 15566
Railway applications - Railway Rolling stock - Draw gear and screw coupling
Edition
2022-11-15
