Since the invention of Ductile Iron, also known as Spheroidal Graphite Iron or Nodular Cast Iron in 1949, it has become the most preferred pipe material for water supply and pressure sewerage applications around the world.ince the invention of Ductile Iron, also known as Spheroidal Graphite Iron or Nodular Cast Iron in 1949, it has become the most preferred pipe material for water supply and pressure sewerage applications around the world.
The 1994 Federal Register TRI listing of chlorsulfuron (59 FR 1788, January 12, 1994) also cited a slight treatment-related decrease in maternal fertility in the F3 generation observed in a rat chronic toxicity study (Ref.
1 Answer. The Bass Red Triangle was the first trademark to be registered under the UK's Trade Mark Registration Act 1875, as trade mark number 1. The 1875 Act came into effect on 1 January 1876 and that New Year's Eve, a Bass employee waited overnight outside the registrar's office, in order to be the first in the queue to register a trademark the next morning.