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公开(公告)号：US2094695A
公开(公告)日：1937-10-05
申请号：US7374636
申请日：1936-04-10
Applicant: GEN ELECTRIC
Inventor： CORNELIS BOL , LEMMENS HENDRICUS J
CPC classification number: C09K11/025 , C03C3/091 , H01J61/33 , H01J61/52 , H01J61/822
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