CPC Main Group Additional Only
B08B 2209/00 Details of machines or methods for cleaning hollow articles
3 direct subcodes
Child Classifications
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- B08B 2209/005 Use of ultrasonics or cavitation, e.g. as primary or secondary action
- B08B 2209/02 Details of apparatuses or methods for cleaning pipes or tubes
- B08B 2209/08 Details of machines or methods for cleaning containers, e.g. tanks