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公开(公告)号：US2886335A
公开(公告)日：1959-05-12
申请号：US61314156
申请日：1956-10-01
Applicant: CORNING GLASS WORKS
Inventor： MITCHELL GEORGE E
IPC: B23B31/30 , C03B23/00 , C03B23/045 , C03B23/217 , H01J5/24 , H01J9/26
CPC classification number: H01J9/263 , B23B31/307 , C03B23/0093 , C03B23/045 , C03B23/217 , H01J5/24 , H01J2893/0039 , Y10T279/11
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