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公开(公告)号：US3262974A
公开(公告)日：1966-07-26
申请号：US25447163
申请日：1963-01-28
Applicant: STAMICARBON
Inventor： STEGGERDA JOHANNES J
IPC: C01B21/12 , C07C271/04
CPC classification number: C01B21/12 , C07C271/04
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