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Inventor
OTSUKA HIDEMITSU
JP
2 patents
Patents
2 patents
US6719488B2
Apr 13, 2004
Soil pf value measuring method, and irrigation control method and irrigation control device
EBARA CORP
20 citations
88
US6391162B1
May 21, 2002
Desalination apparatus and method of operating the same
EBARA CORP
45 citations
88