Japan's Top Inventions
Non-Loosening Bolts still
S09E0115 min· aired 1/28/2026

Non-Loosening Bolts

TMDb0.0
Nexus es448857TMDb ep 6869209TVDb ep 11568892

Overview

Discover the stories behind renowned Japanese products alongside our reporter. This time: non-loosening bolts.

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Automated Ginjo Koji Makers
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Portable Fetal Monitors