DIFF Subgroup
A21B 5/02 Apparatus for baking hollow articles, waffles, pastry, biscuits, or the like
Introduced: September 1968
Full Title
Baking apparatus for special goods; Other baking apparatus > Apparatus for baking hollow articles, waffles, pastry, biscuits, or the like
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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