-
公开(公告)号：US1724298A
公开(公告)日：1929-08-13
申请号：US20714427
申请日：1927-07-20
Applicant: JOHN A DIENNER
Inventor： MILLER KENNETH W
CPC classification number: F21K2/00 , H01J63/00 , H01J2893/0031
Search Results
71
records
(took 0.007 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
