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CPC
COOPERATIVE PATENT CLASSIFICATION
C99Z
SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2019-05]
NOTE

  • This subclass covers subject matter that:
    • Is not provided for, but is most closely related to, the subject matter covered by the subclasses of this section, and
    • Is not explicitly covered by any subclass of another section.
C99Z 99/00
Subject matter not otherwise provided for in this section [2019-05]