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Akira YANO
The Japanese Society of Agricultural Machinery Faculty of Horticulture, Chiba University
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Hiroshi MOROOKA
The Japanese Society of Agricultural Machinery [in Japanese]
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Mitsuo IIMOTO
The Japanese Society of Agricultural Machinery Faculty of Horticulture, Chiba University
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Kazuhiro FUJIWARA
The Japanese Society of Agricultural Machinery Faculty of Horticulture, Chiba University