DIFF Subgroup
E04G 9/10 with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
Introduced: September 1968
Full Title
Forming or shuttering elements for general use > with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
No child classifications to compare. This is a leaf node in both IPC and CPC.