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PCE
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DIFF Subgroup
B32B 27/40

comprising polyurethanes

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Layered products essentially comprising synthetic resin > comprising polyurethanes

CPC:

Layered products comprising synthetic resin > comprising polyurethanes

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