DIFF Main Group
B08B 9/00 Cleaning hollow articles by methods or apparatus specially adapted thereto
Introduced: September 1968
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B08B 9/02 Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04) +1 CPC IPC+CPC Available in IPC and CPC