DIN HANDBOOK 1 - 한국표준정보망(KSSN)
STANDARD DIN ISO 261 , Publication date: 1999-11 ISO general purpose metric screw threads - General plan (ISO 261:1998) STANDARD DIN ISO 965-1 , Publication date: 1999-11 ISO general purpose metric screw threads - Tolerances - Part 1: Principles and ......