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公开(公告)号：US1889926A
公开(公告)日：1932-12-06
申请号：US26359228
申请日：1928-03-21
Applicant: STANDARD IG CO
Inventor： MARTIN LUTHER , MARTIN MULLER-CUNRADI
IPC: C10G7/00
CPC classification number: C10G7/00
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