-
公开(公告)号:US3409770A
公开(公告)日:1968-11-05
申请号:US39959664
申请日:1964-09-28
Applicant: UNITED STATES RADIUM CORP
Inventor: CLAPHAM JR CHARLES H
-
公开(公告)号:US2953684A
公开(公告)日:1960-09-20
申请号:US66684057
申请日:1957-06-20
Applicant: UNITED STATES RADIUM CORP
Inventor: MACHUTCHIN JOHN G , PROSSER DAVID L , WRIGHT CHARLES H
-