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公开(公告)号:US2806973A
公开(公告)日:1957-09-17
申请号:US55650755
申请日:1955-12-30
Applicant: ITT
Inventor: MCEWAN ALEXANDER W , ANDERSON CHARLES E , DANIELS CARL V
公开(公告)号:US2806973A
公开(公告)日:1957-09-17
申请号:US55650755
申请日:1955-12-30
Applicant: ITT
Inventor: MCEWAN ALEXANDER W , ANDERSON CHARLES E , DANIELS CARL V