Services of housing maintenance, public utilities and administration of apartment buildings. Services of in-house cold water supply systems maintenance of apartment buildings. General requirements
Protein-vitamin-mineral and amide-vitamin-mineral additives. Methods for the determination of retinol-acetate (vitamin A), argokalciferol (holekalciferol) (vitamin D), tocopherol-acetate (vitamin E)
State system for ensuring the uniformity of measurement. State primary standard and state verification schedule for measuring instruments of electromotive force and direct current
€10
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