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公开(公告)号：US3531439A
公开(公告)日：1970-09-29
申请号：US3531439D
申请日：1969-04-07
Applicant: KURARAY CO
Inventor： FUKUSHIMA OSAMU , HOSODA KATSUTOSHI
CPC classification number: D04H1/4391 , D04H1/4291 , D04H1/4334 , D04H1/435 , D04H1/4382
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2.发明授权
公开(公告)号：US3481765A
公开(公告)日：1969-12-02
申请号：US3481765D
申请日：1967-02-21
Applicant: KURARAY CO
Inventor： NAKAJO SHOGO , SANO SHIRO , NAGOSHI KAZUO , HOSODA KATSUTOSHI
CPC classification number: D06N3/14
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