Patent search ap:("SIEMENS AG") AND inv:"BUDNICK DIETRICH" Page 1

1.

发明授权
Thermionic converter 失效

公开(公告)号：US3444400A

公开(公告)日：1969-05-13

申请号：US3444400D

申请日：1965-10-22

Applicant: SIEMENS AG

Inventor： JANNER KARL , BUDNICK DIETRICH

IPC: G21C3/40 , H01J45/00 , H02K7/00

CPC classification number: H01J45/00 , G21C3/40 , Y02E30/38

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