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公开(公告)号：US2915449A
公开(公告)日：1959-12-01
申请号：US62091956
申请日：1956-11-07
Applicant: SHELL DEV
Inventor： JOHANNES DOORN , HENDRIK MONDRIA , PIETER HENDAL WILLEM
IPC: C10G73/06
CPC classification number: C10G73/06
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