E21C27/04 - CPC Classification Index

ClassID:

135799 ⎘

E21C27/04 - CPC Classification

Classification description:

Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting means

Sub-classes:

E21C27/06 » with a slewing frame 0

Recent Application in this class:

20150308267

2015-10-29

EXCAVATING DEPOSITS FROM AN UNDERGROUND FORMATION LAYER