00608nam a2200169Ia 4500003000900000008004100009040001600050080002300066110003300089245017600122260005000298300000900348500001900357650002300376650001800399650002100417IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.874bISI  aIndian Standards Institution 0aIndian standard code of practice for heavy duty electric overhead travelling cranes including special service machines for use in steel workscIndian Standards Institution  aNew DelhibIndian Standards Institutionc1963  a58p.  aIS 4137 : 1967  a Cranes-Standards  a Standards   aNASA Thesaurus