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公开(公告)号:US1937554A
公开(公告)日:1933-12-05
申请号:US49391230
申请日:1930-11-06
Applicant: STANDARD IG CO
Inventor: MANFRED DUNKEL , EUGEN DORRER
IPC: C10G49/00
CPC classification number: C10G49/00
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2.Purification of mineral oils, tars, their distillation products, and the like 失效
Title translation: 矿物油,焦油及其蒸馏产物的纯化等公开(公告)号:US2116061A
公开(公告)日:1938-05-03
申请号:US49033430
申请日:1930-10-21
Applicant: STANDARD IG CO
Inventor: EUGEN DORRER
IPC: C10G45/04
CPC classification number: C10G45/04
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