C21D3/08 - CPC Classification Index

ClassID:

118967 ⎘

C21D3/08 - CPC Classification

Classification description:

Diffusion processes for extraction of non-metals; Furnaces therefor; Extraction of non-metals Extraction of nitrogen

Recent Application in this class:

20240194383

Soft Magnetic Iron Alloy Plate, Method for Manufacturing Soft Magnetic Iron Alloy Plate, and Iron Core and Rotating Electric Machine Employing Soft Magnetic Iron Alloy Plate

20230290551

Soft Magnetic Iron Sheet, Method for Producing Soft Magnetic Iron Sheet, and, Iron Core and Dynamo-Electric Machine, Each Using Soft Magnetic Iron Sheet

20220340987

Fabrication method for a component having magnetic and non-magnetic dual phases

20210062280

FeNi ordered alloy and method for manufacturing FeNi ordered alloy

20200325551

FeNi ordered alloy and method for manufacturing FeNi ordered alloy

20200010938

FeNi ordered alloy, FeNi ordered alloy magnet, and method for manufacturing FeNi ordered alloy

20190151951

Austenitic stainless steel workpiece

20180251867

FeNi ordered alloy and method for manufacturing FeNi ordered alloy

20160114391

Finish heat treatment method and finish heat treatment apparatus for iron powder

20090065098

High-strength steel excellent in weldability and process for production thereof