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公开(公告)号：US2089199A
公开(公告)日：1937-08-10
申请号：US2137635
申请日：1935-05-14
Applicant: CELANESE CORP
Inventor： DONALD FINLAYSON , FRANK HAPPEY
IPC: D02G1/02
CPC classification number: D02G1/0206
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公开(公告)号：US2089198A
公开(公告)日：1937-08-10
申请号：US72760934
申请日：1934-05-26
Applicant: CELANESE CORP
Inventor： DONALD FINLAYSON , FRANK HAPPEY
IPC: D02G1/02
CPC classification number: D02G1/0206
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