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公开(公告)号:US2106973A
公开(公告)日:1938-02-01
申请号:US52989731
申请日:1931-04-13
Applicant: STANDARD IG CO
Inventor: CARIETON ELLIS
IPC: C10G1/00 , C10G1/06
CPC classification number: C10G1/00 , C10G1/065