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公开(公告)号：US2159806A
公开(公告)日：1939-05-23
申请号：US17777437
申请日：1937-12-02
Applicant: GEN ELECTRIC
Inventor： KURT LENZ , ERNST WOECKEL
CPC classification number: H01J5/20 , H01J19/30 , H01J2893/0021 , H01J2893/0037
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Patent Agency Ranking
公开(公告)号：US2159805A
公开(公告)日：1939-05-23
申请号：US17776037
申请日：1937-12-02
Applicant: GEN ELECTRIC
Inventor： KURT LENZ , ERNST WOECKEL
IPC: H01J5/20
CPC classification number: H01J5/20 , H01J2893/0037
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公开(公告)号：US2159808A
公开(公告)日：1939-05-23
申请号：US17777637
申请日：1937-12-02
Applicant: GEN ELECTRIC
Inventor： KURT LENZ , ERNST WOECKEL
IPC: H01J5/20
CPC classification number: H01J5/20 , H01J2893/0037
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公开(公告)号：US2159807A
公开(公告)日：1939-05-23
申请号：US17777537
申请日：1937-12-02
Applicant: GEN ELECTRIC
Inventor： KURT LENZ , ERNST WOECKEL
IPC: H01J5/20
CPC classification number: H01J5/20 , H01J2893/0037
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公开(公告)号：US2159810A
公开(公告)日：1939-05-23
申请号：US17777837
申请日：1937-12-02
Applicant: GEN ELECTRIC
Inventor： KURT LENZ , ERNST WOECKEL
IPC: H01J5/20
CPC classification number: H01J5/20 , H01J2893/0037
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公开(公告)号：US2159809A
公开(公告)日：1939-05-23
申请号：US17777737
申请日：1937-12-02
Applicant: GEN ELECTRIC
Inventor： KURT LENZ , ERNST WOECKEL
IPC: H01J5/20
CPC classification number: H01J5/20 , H01J2893/0037
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