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公开(公告)号：FR2455065A1
公开(公告)日：1980-11-21
申请号：FR8009303
申请日：1980-04-25
Applicant: AGENCY IND SCIENCE TECHN
Inventor： ASAI MICHIHIKO , SUDA YOSHIO , IMADA KIYOSHI , UNEO SUSUMU , NOMURA HIROKAZU
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