DIFF Subgroup
B24D 3/04 and being essentially inorganic
Introduced: September 1968
Full Title
Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents > the constituent being used as bonding agent > and being essentially inorganic
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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