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公开(公告)号：US3398215A
公开(公告)日：1968-08-20
申请号：US10477061
申请日：1961-04-19
Applicant: EXXON RESEARCH ENGINEERING CO
Inventor： LAWRENCE SPENADEI , HALL HOMER J , ISIDOR KIRSHENBAUM
IPC: C06B21/00
CPC classification number: C06B21/0091 , C06B21/0025
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