229910045601 alloy Inorganic materials 0.000 description 2.230000000630 rising Effects 0.000 claims abstract description 4.238000006073 displacement reaction Methods 0.000 claims abstract description 5.238000005299 abrasion Methods 0.000 claims abstract description 8.239000004579 marble Substances 0.000 claims abstract description 45.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Wuhan Iron and Steel Co Ltd filed Critical Wuhan Iron and Steel Co Ltd Priority to CN201711440784.XA priority Critical patent/CN108120403A/en Publication of CN108120403A publication Critical patent/CN108120403A/en Status Pending legal-status Critical Current Links Original Assignee Wuhan Iron and Steel Co Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 杨国义 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number CN201711440784.XA Other languages Chinese ( zh)
Google Patents A kind of glacing flatness ruler verifying bench device and its application methodĭownload PDF Info Publication number CN108120403A CN108120403A CN201711440784.XA CN201711440784A CN108120403A CN 108120403 A CN108120403 A CN 108120403A CN 201711440784 A CN201711440784 A CN 201711440784A CN 108120403 A CN108120403 A CN 108120403A Authority CN China Prior art keywords ruler glacing flatness rack gear laser range Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents CN108120403A - A kind of glacing flatness ruler verifying bench device and its application method CN108120403A - A kind of glacing flatness ruler verifying bench device and its application method