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公开(公告)号：US3469957A
公开(公告)日：1969-09-30
申请号：US3469957D
申请日：1965-01-12
Applicant: GAS COUNCIL
Inventor： PERCIVAL GEORGE , PHILLIPS THOMAS ROWLAND
CPC classification number: C07C4/06 , C07C4/00 , C07C2521/04 , C07C2523/755 , C10G11/00 , C07C9/04
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