JPS6343496B
OOKUMA KEN, OOTAKI KEIJI, HAGA TSUNEHIRO, HIRAI KARAHIRO, KIZARA MASAO
Year of Publication 31.08.1988
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Year of Publication 31.08.1988
Patent
APPARECCHITURA PER FORMARE FIBRE DI VETRO
AYAHIRO HIRAI, KIWAMU OKUMA, TSUNEHIRO HAGA, KEIJI OTAKI, MASAO KIZARA
Year of Publication 18.06.1987
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Year of Publication 18.06.1987
Patent
JPS621335B
OOKUMA KEN, OOTAKI KEIJI, HAGA TSUNEHIRO, HIRAI KARAHIRO, KIZARA MASAO
Year of Publication 13.01.1987
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Year of Publication 13.01.1987
Patent