E21C27/14 - CPC Classification Index

ClassID:

135808 ⎘

E21C27/14 - CPC Classification

Classification description:

Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges

Sub-classes:

E21C27/16 » with means for both slitting and breaking-down 9

Recent Application in this class:

20240247588

2024-07-25

METHOD OF MINING A ROCK FORMATION USING A DISC CUTTER AND A ROCK BREAKER TOOL