A61F 2002/30065

Thermoplastic, i.e. softening or fusing when heated, and hardening and becoming rigid

Official title: {thermoplastic, i.e. softening or fusing when heated, and hardening and becoming rigid again when cooled}

A61F2002/30065 (Thermoplastic, i.e. softening or fusing when heated, and hardening and becoming rigid) appears on 392 US grants and 386 published applications in this corpus.

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386
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