Petroleum and natural gas industries. Drilling and production equipment. Part 4. Practices for side-pocket mandrels and related equipment. General technical requirements
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means of measuring magnetic induction of constant field in the range of 2-10 T for temperature range from 4,2 to 300 K and from 0,1 up to 2 T for the range from 4,2 to 77 K
