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PCE
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DIFF Subgroup
B22D 27/18

Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Treating the metal in the mould while it is molten or ductile > Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack

CPC:

Treating the metal in the mould while it is molten or ductile (B22D7/12, B22D11/10, B22D43/00 take precedence); > Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack

No child classifications to compare. This is a leaf node in both IPC and CPC.