DIFF Subgroup
B27K 5/06 Softening or hardening of wood
Introduced: September 1968
Title
Titles differ between systems:
IPC: Softening or hardening wood
CPC: Softening or hardening of wood
Full Title
Full titles differ between systems:
IPC:
Staining or dyeing wood; Bleaching wood; Treating of wood not provided for in groups or > Softening or hardening wood
CPC:
Treating of wood not provided for in groups B27K1/00, B27K3/00 > Softening or hardening of wood
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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