Naoi; Yoshiyuki

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Okayama, JP

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Surface-layer structure of soil having weed emergence inhibitor act...
- Patent number 5,990,196
- Issue date Nov 23, 1999
- Naoi; Yoshiyuki
- Kazumi Toushin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

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