-
公开(公告)号:US2655614A
公开(公告)日:1953-10-13
申请号:US16422850
申请日:1950-05-25
Applicant: MACHLETT LAB INC
Inventor: DOOLITTLE HOWARD D , ZARTH WILLIAM A , RHEAUME RAYMOND H
IPC: H01J21/06
CPC classification number: H01J21/065
-
公开(公告)号:US2693347A
公开(公告)日:1954-11-02
申请号:US25892651
申请日:1951-11-29
Applicant: MACHLETT LAB INC
Inventor: RHEAUME RAYMOND H
IPC: H01J19/36
CPC classification number: H01J19/36 , H01J2893/0027 , Y10S165/911
-