DIFF Subgroup
B22F 3/18 by using pressure rollers
Introduced: September 1968
Full Title
Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor > by using pressure rollers
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
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