DIFF Subgroup
A61L 27/04 Metals or alloys
Introduced: January 2000
Full Title
Full titles differ between systems:
IPC:
Materials for prostheses or for coating prostheses > Inorganic materials > Metals or alloys
CPC:
Materials for prostheses or for coating prostheses (dental prostheses A61C13/00; shape or structure of prostheses A61F2/00; use of preparations for artificial teeth A61K6/80; artificial kidneys A61M1/14) > Inorganic materials > Metals or alloys
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 2000.
Child Classifications
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