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公开(公告)号:US1041765A
公开(公告)日:1912-10-22
申请号:US1911657344
申请日:1911-10-28
Applicant: FORS OSCAR A
Inventor: FORS OSCAR A
CPC classification number: G01J3/522
公开(公告)号:US1041765A
公开(公告)日:1912-10-22
申请号:US1911657344
申请日:1911-10-28
Applicant: FORS OSCAR A
Inventor: FORS OSCAR A
CPC classification number: G01J3/522