Apparatus for obtaining ridge line pattern image on a curved surface
HOSHINO YUKIKO C O NEC SECURIT, SHIBUYA TATSUO C O NEC SECURIT, OHTA NAOYA
Year of Publication 17.05.1995
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Year of Publication 17.05.1995
Patent
Method for producing glass preform for optical fiber
HOSHINO SUMIO C O YOKOHAMA WOR, ITO MASUMI C O YOKOHAMA WORKS, ISHIKAWA SHINJI C O YOKOHAMA W
Year of Publication 12.04.1995
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Year of Publication 12.04.1995
Patent