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PCE
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DIFF Subgroup
E21C 35/10

by feelers contacting the working face

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or > Guiding the machine > by feelers contacting the working face

CPC:

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 > Guiding the machine > by feelers contacting the working face

No child classifications to compare. This is a leaf node in both IPC and CPC.