Projekta Nr.ISO 657-1:1989
Nosaukums<p>This first edition as an International Standard constitues a technical revision of ISO Recommendation R 657-1:1968. ISO 657 consists of 21 parts integrating any shapes of sections. ISO 657-1 specifies dimensions of hot-rolled equal-leg angles.</p>
Reģistrācijas numurs (WIID)4791
Darbības sfēra<p>This first edition as an International Standard constitues a technical revision of ISO Recommendation R 657-1:1968. ISO 657 consists of 21 parts integrating any shapes of sections. ISO 657-1 specifies dimensions of hot-rolled equal-leg angles.</p>
StatussStandarts spēkā
ICS grupa77.140.70