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State system of ensuring unity of measurements. Special state standard and state verification scheme for initial permeability measuring means in 1 to 200 MHz frequency range
Document status: Withdrawn
Direct-reading indicating electrical measuring instruments. Marking symbols
Document status: Active
Seamless and welded steel tubes. Part 6. Radiographic testing for the detection of imperfections of the weld seam
Document status: Active
Equipment for water disinfection by ultraviolet radiation. General technical requirements
Document status: Active
Hydraulic fluid power. Filter elements. Sequence of tests for verifying performance characteristics
Document status: Active