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公开(公告)号：US3548638A
公开(公告)日：1970-12-22
申请号：US3548638D
申请日：1968-10-03
Applicant: TORAY INDUSTRIES
Inventor： UCHIDA MITSUO , NAKAMURA YASUMASA , HAMACHI TOSHIO , ANDO AKIO , YAMAZAKI TORU , TERAO KOICHI , OSUMI SHINZO
CPC classification number: G01N11/08 , G01N33/442
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