Patent search ap:("NAT UNION RADIO CORP") AND inv:"GUSTAVE SCHNEIDER WALTER" Page 1

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发明授权
Machine for making the press members or base portions of electronic tubes 失效
Title translation: 用于制造电子管的按压构件或基部的机器

公开(公告)号：US2312003A

公开(公告)日：1943-02-23

申请号：US33958440

申请日：1940-06-08

Applicant: NAT UNION RADIO CORP

Inventor： GUSTAVE SCHNEIDER WALTER , GUNTHER SCHNEIDER GERHARD

IPC: H01J9/32

CPC classification number: H01J9/32

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