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公开(公告)号：US2320473A
公开(公告)日：1943-06-01
申请号：US37863241
申请日：1941-02-12
Applicant: CELANESE CORP
IPC: B29C47/88
CPC classification number: B29C47/884 , B29C47/0019 , B29C47/0021 , B29C47/8805
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