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STN 250271 (250271)

Calibration of standardized blocks to be used for Rockwell superficial N and T scale hardness testing machines. General requirements

STANDARD published on 1.8.1974

Czech -
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The information about the standard:

Designation standards: STN 250271
Classification mark: 250271
Catalog number: 55861
Publication date standards: 1.8.1974
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN