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公开(公告)号：US2087608A
公开(公告)日：1937-07-20
申请号：US74888434
申请日：1934-10-18
Applicant: STANDARD IG CO
Inventor： MATHIAS PIER , WALTER SIMON , WALTER KROEING
IPC: C10G1/06
CPC classification number: C10G1/06
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