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Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)

Document status: Active

Artificial and synthetic leather for clothing. Method of defining of dynamic and static friction factors

Document status: Active

Enzyme preparation. Methods of detection of cellulose activity

Document status: Cancelled

Spatial data. Spatial referencing by geographic identifiers

Document status: Active

Ships and marine technology. Prevention asbestos emission and exposure during ship recycling. Basic regulations

Document status: Active

State system for ensuring the uniformity of measurements. State special standard and state hierarchy diagram for variable pressure measuring instruments in the range of 1x10 in 2 degree to 1x10 in 6 degree Pa for frequencies of 5x10 in minus 2 degree to 1x10 in 4 degree Hz, durations from 1x10 in minus 5 degree to 10 s under constant pressure up to 5x10 in 6 degree Pa

Document status: Withdrawn