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Parumo Kabushiki Kaisha Patents |
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Assignee: Parumo Kabushiki Kaisha
Address: Amagasaki, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5310280 |
Subsoil structure for sodded ground |
May 10, 1994 |
| A subsoil structure for sodded ground comprising a water-retaining layer filling a pan-like cavity, a sand layer covering the water-retaining layer, and a soil-improving layer covering the sand layer and incorporating a soil-improving material which is of a porous structure.Since the soi | |
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