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公开(公告)号：US2184586A
公开(公告)日：1939-12-26
申请号：US21527138
申请日：1938-06-22
Applicant: SNIA VISCOSA
Inventor： GIUSEPPE DONAGEMMA , PIERO DONAGEMMA
IPC: D01F2/08
CPC classification number: D01F2/08
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公开(公告)号：US2261754A
公开(公告)日：1941-11-04
申请号：US20448038
申请日：1938-04-26
Applicant: SNIA VISCOSA
Inventor： GIUSEPPE DONAGEMMA , PIERO DONAGEMMA
CPC classification number: D01F4/00 , C08L1/24 , D01F1/02 , C08L2666/02
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