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公开(公告)号:US1498214A
公开(公告)日:1924-06-17
申请号:US33568419
申请日:1919-11-04
Applicant: HOLOPHANE GLASS COMPANY INC
Inventor: TUCK DAVIS H
IPC: G01J1/12
CPC classification number: G01J1/12
公开(公告)号:US1498214A
公开(公告)日:1924-06-17
申请号:US33568419
申请日:1919-11-04
Applicant: HOLOPHANE GLASS COMPANY INC
Inventor: TUCK DAVIS H
IPC: G01J1/12
CPC classification number: G01J1/12