E21C27/46 - CPC Classification Index

ClassID:

135825 ⎘

E21C27/46 - CPC Classification

Classification description:

Machines which completely free the mineral from the seam; Mineral freed by means not involving slitting by percussed planing means

Recent Application in this class:

20160265357

2016-09-15

Method for directionally swaying and resetting harrow teeth of rolling harrow loader-excavator and rolling harrow loader-excavator with directional sway and reset harrow teeth for implementing such method

20150130256

2015-05-14

ROLLING FRICTION OR SUSPENSION FRICTION IMPACT MINING METHOD AND WEAR-RESISTANT IMPACT MINING MACHINE USING SAID METHOD