Patent search ap:("GEN ELECTRIC") AND inv:"STEVENSON JOHN B" Page 1

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发明授权
Apparatus for interiorly coating lamp exhaust tubes 失效
Title translation: 用于内部涂覆灯排气管的装置

公开(公告)号：US2832309A

公开(公告)日：1958-04-29

申请号：US62394156

申请日：1956-11-23

Applicant: GEN ELECTRIC

Inventor： BILLSON JOHN A , STEVENSON JOHN B

IPC: H01J5/32 , H01J9/40

CPC classification number: H01J9/40 , H01J5/32

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