ClassID:

87442

C03B2205/91 - CPC Classification

Classification description:

Fibre drawing or extruding details; Optical fibre draw furnaces; Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles by controlling the furnace gas flow rate into or out of the furnace

Recent Application in this class: