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公开(公告)号：US2038558A
公开(公告)日：1936-04-28
申请号：US57206031
申请日：1931-10-30
Applicant: STANDARD OIL DEV CO
Inventor： FULTON STEWART C , JOHN KUNE
IPC: C08G61/00
CPC classification number: C08G61/00
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