IPC Definitions - January 01, 2012

B21C - Definition fr

References relevant to classification in this subclass

This subclass does not cover:

Examples of places where the subject matter of this class is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Processes for changing of physical properties of metals

C21D, C22F

Informative references

Attention is drawn to the following places, which may be of interest for search:

Continuous casting

B22D 11/00

Soldering, welding, flame-cutting

B23K

Pressure welding by means of a rolling mill

B23K 20/04