JPS6225912B
SAWANO TOSHUKI, NAKATSUJI SHINICHI, NARUSE TOSHIHISA, ISHINO YOSHITANE, PPONMA NORIKAZU, ANDO TOORU, TSUBAKIHARA KANJI, GOMI RETSU, HAJIMA YASUFUMI, OKUGAWA MINORU
Year of Publication 05.06.1987
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Year of Publication 05.06.1987
Patent