Gas analysis — Preparation of calibration gas mixtures using dynamic
methods — Part 7: Thermal mass-flow controllers — Amendment 1:
Correction of formula C.4
Sodium and potassium silicates for industrial use — Determination of
density at 20 degrees C of products in solution — Method using density
hydrometer and method using pyknometer
Thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for
the transfer of liquid petroleum gas and liquefied natural gas — Specification
Plastics piping systems — Glass-reinforced thermosetting plastics (GRP)
pipes and fittings — Determination of the resistance to chemical attack
for the inside of a section in a deflected condition
Traffic and Travel Information (TTI) — TTI via Transport Protocol Expert
Group (TPEG) data-streams — Part 2: Syntax, Semantics and Framing
Structure (SSF)