Patent search ap:("PHILIPS CORP") AND inv:"HENDRICUS FOKKER THEODORUS WIL" Page 1

1.

发明授权
Travelling-wave tube with connectors for the end turns of the helix 失效
Title translation: 带有连接器的行波管用于螺旋的末端

公开(公告)号：US3114857A

公开(公告)日：1963-12-17

申请号：US4305660

申请日：1960-07-15

Applicant: PHILIPS CORP

Inventor： HENDRICUS FOKKER THEODORUS WIL , WIJNGAARDEN JOHAN GERARD VAN , ARIE VERSNEL

IPC: H01J23/30 , H01J23/42 , H01J25/38

CPC classification number: H01J23/30 , H01J23/42 , H01J25/38

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