Name: 特集 [IETF 2025 - International Engineering & Technology Fair] Rain Water Harvesting - RAINY FILTERS
Uploaded: 2025-03-19
Duration: 1 min 40 s
Description: ## 雨水利用の「RAINY」、IETF 2025で注目集める国際エンジニアリング&テクノロジーフェア（IETF

[IETF 2025 - International Engineering & Technology Fair] Rain Water Harvesting - RAINY FILTERS

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