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PCE
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DIFF Subgroup
B08B 5/023

Full Title

Cleaning by methods involving the use of air flow or gas flow (cleaning hollow articles by methods or apparatus specially adapted thereto B08B9/00) > Cleaning by the force of jets, e.g. blowing-out cavities

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.