Submerged arc-welded steel tubes for pressure purposes — Ultrasonic
testing of the weld seam for the detection of longitudinal and/or
transverse imperfections
Lubricants, industrial oils and related products (class L) — Family H
(Hydraulic systems) — Specifications for categories HFAE, HFAS, HFB,
HFC, HFDR and HFDU — Technical Corrigendum 1