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*Y. SHINADA
CHEMICAL R & D LAB., ASAHI DENKA KOGYO Co., LTD.
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M. KIMURA
CHEMICAL R & D LAB., ASAHI DENKA KOGYO Co., LTD.
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T. SHIBATA
CHEMICAL R & D LAB., ASAHI DENKA KOGYO Co., LTD.
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T. YUKINARI
KAWAGUCHIKO SEIMITSU Co., LTD.
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Y. SATO
TECHNICAL LAB., CITIZEN WACTH Co., LTD.
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T. NAITO
TECHNICAL LAB., CITIZEN WACTH Co., LTD.