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公开(公告)号：US1765487A
公开(公告)日：1930-06-24
申请号：US20281227
申请日：1927-07-01
Applicant: WESTINGHOUSE LAMP CO
Inventor： HUFFMAN CHARLES E
IPC: H01J21/10
CPC classification number: H01J21/10
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公开(公告)号：US1807844A
公开(公告)日：1931-06-02
申请号：US20129227
申请日：1927-06-25
Applicant: WESTINGHOUSE LAMP CO
Inventor： HUFFMAN CHARLES E
IPC: H01R33/94
CPC classification number: H01R33/94
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