30.97 End of interruption of work - split/merged Dec 2, 1998
CEN
CEN/TC 459/SC 1 Test methods for steel (other than chemical analysis)
CEN Report
Comparisons between the Vickers tests and the Brinell and Rockwell tests.
ABANDON
ECISS/TC 1/SC 1 N 61
30.97
End of interruption of work - split/merged
Dec 2, 1998