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公开(公告)号：US2104073A
公开(公告)日：1938-01-04
申请号：US9311236
申请日：1936-07-28
Applicant: GEN ELECTRIC
Inventor： DRUYVESTEYN MARI J , NICOLAAS WARMOLTZ
CPC classification number: H01J61/35 , C03C17/23 , C03C17/27 , C03C21/007 , C03C2217/228 , C03C2217/229 , C03C2218/151 , C03C2218/322 , H01J9/20
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