DIFF Main Group
E02B 11/00 Drainage of soil, e.g. for agricultural purposes
Introduced: September 1968
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E02B 11/02 Drainage device- laying apparatus, e.g. drainage ploughs IPC+CPC Available in IPC and CPC