C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C03
GLASS; MINERAL OR SLAG WOOL
C03
GLASS; MINERAL OR SLAG WOOL
C03B
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B1/00
Preparing the batches
C03B1/00
Preparing the batches