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1.发明授权公开(公告)号：US10545102B2
公开(公告)日：2020-01-28
申请号：US15800408
申请日：2017-11-01
Applicant: MITUTOYO CORPORATION
Inventor： Akihito Takahashi , Seiji Sasaki
IPC: G01N23/046
Abstract: A coordinate alignment tool includes a base having at least two ground faces to hold an attitude suitable for measurement by a coordinate measuring device and an attitude suitable for measurement by a measuring X-ray CT apparatus, and a fixer to fixate a measured object to the base; and at least three master balls arranged on the base.
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