UNDERGROUND WATER STORAGE STRUCTURE

PROBLEM TO BE SOLVED: To provide an underground water storage structure capable of storing rainwater, which falls on the ground, under the ground in a clean state or of making the rainwater penetrate into a lower ground, eliminating the need of a sediment removal operation, and having superior durab...

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Bibliographische Detailangaben
1. Verfasser: NAKAJIMA KANJI
Format: Patent
Sprache:eng
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