D21D1/28 - CPC Classification Index

ClassID:

126473 ⎘

D21D1/28 - CPC Classification

Classification description:

Methods of beating or refining; Beaters of the Hollander type; Methods of refining Ball or rod mills

Recent Application in this class:

20240368835

GRINDING METHOD AND GRINDING MEDIUM

20240295075

REFINER PLATE TO PREVENT GROOVES PLUGGING

20210010201

Method for producing microscale and/or nanoscale fiber material