7 Season
87 Episode
Japan's Top Inventions - Season 6 Episode 11 Home Water Purifiers / Plastic Valves (2024)
The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. This time: home water purifiers & plastic valves.
- Country : Japan
- Genre : Documentary
- Studio : NHK WORLD-JAPAN
- Director :
- Cast :
