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公开(公告)号:US2975669A
公开(公告)日:1961-03-21
申请号:US45241654
申请日:1954-08-26
Applicant: JARRELL ASH COMPANY
Inventor: JARRELL RICHARD F , FASTIE WILLIAM G
IPC: G01J3/12
公开(公告)号:US2975669A
公开(公告)日:1961-03-21
申请号:US45241654
申请日:1954-08-26
Applicant: JARRELL ASH COMPANY
Inventor: JARRELL RICHARD F , FASTIE WILLIAM G
IPC: G01J3/12