E21C29/06 - CPC Classification Index

ClassID:

135829 ⎘

E21C29/06 - CPC Classification

Classification description:

Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face

Sub-classes:

E21C29/08 » Anchoring arrangements 0
E21C29/10 » Cable or chain co-operating with a winch or the like on the machine 2
E21C29/12 » Machines propelled by thrust or pull against a part alternately anchored to and released from a cable or chain 0