Verification and calibration of 'Rockwell B' hardness standardized blocks (intended for the calibration of Rockwell B system testing machines for the hardness of materials)
By: International Organization of Legal Metrology ; [translated from the French].
Series: International recommendation -- no.11
Publisher: I.O.L.M.
Published: 1970
Place of publication: Paris
Language: eng
Number of pages: 15