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公开(公告)号：US2335146A
公开(公告)日：1943-11-23
申请号：US28006539
申请日：1939-06-20
Applicant: SHELL DEV
Inventor： FOSTER FORD TIREY , LOOMIS ALBERT G
IPC: C09K8/05
CPC classification number: C09K8/05
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