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公开(公告)号：US2295040A
公开(公告)日：1942-09-08
申请号：US33368440
申请日：1940-05-06
Applicant: GEN ELECTRIC
Inventor： GRAINGER JENKINS HENRY , WALTER RAYDE JOHN
IPC: C09K11/74
CPC classification number: C09K11/7457
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