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USPC Consolidated Glossary  
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KEEPER - Classes 070, 402
KETONE - Class 520
KETONE (INCLUDING KETENE) - Class 514
KEY - Classes 070, 380, 400, 705
KEY-BOARD - Class 400
KEYSTONING - Class 348
KLYSTRON - Class 331
KMER - Class 438
KNEADING - Class 425
KPR - Class 438
KTFR - Class 438

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