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公开(公告)号：US3047150A
公开(公告)日：1962-07-31
申请号：US6259860
申请日：1960-10-14
Applicant: STAMICARBON
Inventor： DUMONT HUBERT G A
CPC classification number: B07B1/00 , B01D35/28 , B07B2230/01
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