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PCE
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DIFF Subgroup
B22D 41/42

Features relating to gas injection

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like > Closures > sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings > Features relating to gas injection

CPC:

Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like (B22D39/00, B22D43/00 take precedence) > Closures > sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings > Features relating to gas injection

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