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公开(公告)号：US2867645A
公开(公告)日：1959-01-06
申请号：US48237855
申请日：1955-01-17
Applicant: SHELL DEV
Inventor： EIJK WILLEM VAN , GEORGE GERMAIN ERNEST , NICOLAAS MAX
IPC: C07F9/11
CPC classification number: C07F9/11 , Y10S260/16
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