IPC Subgroup
C03B 23/055 by rolling
Introduced: January 1990
Last revised: January 2006
Full Title
Re-forming shaped glass > Re-forming tubes or rods > by rolling
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- GLASS; MINERAL OR SLAG WOOL
- Subclass:
- MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL