DIFF Subgroup
C03B 23/02 Re-forming glass sheets
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Re-forming shaped glass > Re-forming glass sheets
CPC:
Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Re-forming glass sheets
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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