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Priority to JP3663490UpriorityCriticalpatent/JPH072691Y2/ja
Publication of JPH03128732UpublicationCriticalpatent/JPH03128732U/ja
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Publication of JPH072691Y2publicationCriticalpatent/JPH072691Y2/ja
Structure de couche superficielle de sol exercant une activite inhibitrice de l'emergence des mauvaises herbes et son procede empechant l'emergence de mauvaises herbes