E21C 35/302 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

E21C 35/302

Full Title

Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00

This code exists only in CPC.

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