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公开(公告)号:US2663086A
公开(公告)日:1953-12-22
申请号:US28221052
申请日:1952-04-14
Applicant: BAASH ROSS TOOL CO
Inventor: GARDNER JAMES D
IPC: G01B3/16
CPC classification number: G01B3/166
公开(公告)号:US2663086A
公开(公告)日:1953-12-22
申请号:US28221052
申请日:1952-04-14
Applicant: BAASH ROSS TOOL CO
Inventor: GARDNER JAMES D
IPC: G01B3/16
CPC classification number: G01B3/166