00651nam a2200181Ia 4500003000900000008004100009040001600050080002700066110003300093245017500126260005000301300000900351500001900360650002700379650002400406650001800430650002100448IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.882.213bISI  aIndian Standards Institution 0aIndian standard specification for black square bolts and nuts (diameter range 6 to 39 mm) and black square screws (diameter range 6 to 24mm)cIndian Standards Institution  aNew DelhibIndian Standards Institutionc1968  a10p.  aIS 2585 : 1968  a Black Square Bolts   a Black Square Nuts  a Standards   aNASA Thesaurus