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|CLASS 976,||NUCLEAR TECHNOLOGY|
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SECTION I - CLASS DEFINITION
Note the following for Class 976:
(A) Class 976 is used for optional searching.
(B) E-subclasses in USPC Class 976/DIG. 1-DIG. 445 were created as duplicates of EPO groups in G21B through G21Y. With the implementation of CPC, these E-subclasses should no longer be used. Instead, use CPC groups in G21B and its indents through G21Y.
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