DIFF Subgroup
C03B 27/0442 Full Title
Tempering glass products > using gas > for flat or bent glass sheets being in a horizontal position
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
C03B 27/0442 Tempering glass products > using gas > for flat or bent glass sheets being in a horizontal position
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.