DIFF Subgroup
C04B 22/04 Metals, e.g. aluminium used as blowing agent
Introduced: January 1985
Full Title
Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators > Elements > Metals, e.g. aluminium used as blowing agent
No child classifications to compare. This is a leaf node in both IPC and CPC.