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公开(公告)号：JPS4926967B1
公开(公告)日：1974-07-13
申请号：JP2315370
申请日：1970-03-20
Applicant: TORAY INDUSTRIES
Inventor： ISHIDA SHOICHI , FUJI YOSHITAKA , SHINKAI AKIHIRO , TAMEDA SHUMEI , FUJIURA MASUTOMO
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