Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"VOSS ROBERT G" Page 1

1.

发明授权
Method of winding helices 失效
Title translation: 缠绕螺旋的方法

公开(公告)号：US3201849A

公开(公告)日：1965-08-24

申请号：US85073159

申请日：1959-11-03

Applicant: BELL TELEPHONE LABOR INC

Inventor： VOSS ROBERT G

IPC: H01J19/00 , H01J23/26 , H01J23/27

CPC classification number: H01J23/27 , H01J19/00 , H01J23/26 , H01J2893/0023 , Y10T29/49016 , Y10T29/49071

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