-
公开(公告)号：US2590246A
公开(公告)日：1952-03-25
申请号：US12206649
申请日：1949-10-18
Applicant: WESTERN ELECTRIC CO
Inventor： HECKMAN EDWARD A , KLING JOHN J
IPC: H01J19/00
CPC classification number: H01J19/00 , H01J2893/0025
-
公开(公告)号：US2515046A
公开(公告)日：1950-07-11
申请号：US65658946
申请日：1946-03-23
Applicant: WESTERN ELECTRIC CO
Inventor： KLING JOHN J
IPC: B23P19/00
CPC classification number: B23P19/00 , Y10T29/53652 , Y10T29/53896
-
Search Results
2
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
