State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means measuring vibration displacement, vibration velocity and vibration acceleration over the frequency range from 1·10 -1 to 2·10 4 Hz
State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 3. Reference equivalent threshold vibratory force levels for pure tones and bone vibrators
Rectangular steel all-cast moulding boxes having inside dimensions: length from 2400 to 3000 mm, width from 1600 to 2000 mm, height 500; 600 mm. Construction and dimensions
System of standards on information, librarianship and publishing. Information and documentation. Records management. The logical structure, the composition of metadata for records and the requirements for their content
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