FI896218A - KALIBRERINGSDON OCH FOERFARANDE FOER FRAMSTAELLNING DAERAV. - Google Patents

KALIBRERINGSDON OCH FOERFARANDE FOER FRAMSTAELLNING DAERAV. Download PDF

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Publication number
FI896218A
FI896218A FI896218A FI896218A FI896218A FI 896218 A FI896218 A FI 896218A FI 896218 A FI896218 A FI 896218A FI 896218 A FI896218 A FI 896218A FI 896218 A FI896218 A FI 896218A
Authority
FI
Finland
Prior art keywords
kalibreringsdon
foerfarande foer
foer framstaellning
och foerfarande
framstaellning daerav
Prior art date
Application number
FI896218A
Other languages
Finnish (fi)
Other versions
FI86919C (en
FI86919B (en
FI896218A0 (en
Inventor
Tapio Mansten
Unto Pulkkinen
Simo Tammela
Original Assignee
Valtion Teknillinen
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 as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI896218A priority Critical patent/FI86919C/en
Publication of FI896218A0 publication Critical patent/FI896218A0/en
Publication of FI896218A publication Critical patent/FI896218A/en
Application granted granted Critical
Publication of FI86919B publication Critical patent/FI86919B/en
Publication of FI86919C publication Critical patent/FI86919C/en

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  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The invention concerns a calibration means for simplifying the calibration of a measuring system, whereby the roughness of a surface is measured. The means comprises a level plate 1 on whose surface there are parallel combs 2 whose height h is known. <IMAGE>
FI896218A 1989-12-22 1989-12-22 Calibrators and method of making them FI86919C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI896218A FI86919C (en) 1989-12-22 1989-12-22 Calibrators and method of making them

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI896218 1989-12-22
FI896218A FI86919C (en) 1989-12-22 1989-12-22 Calibrators and method of making them

Publications (4)

Publication Number Publication Date
FI896218A0 FI896218A0 (en) 1989-12-22
FI896218A true FI896218A (en) 1991-06-23
FI86919B FI86919B (en) 1992-07-15
FI86919C FI86919C (en) 1992-10-26

Family

ID=8529582

Family Applications (1)

Application Number Title Priority Date Filing Date
FI896218A FI86919C (en) 1989-12-22 1989-12-22 Calibrators and method of making them

Country Status (1)

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FI (1) FI86919C (en)

Also Published As

Publication number Publication date
FI86919C (en) 1992-10-26
FI86919B (en) 1992-07-15
FI896218A0 (en) 1989-12-22

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Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS