ISO 9177-1:2016现行
Mechanical pencils for technical drawings Part 1: Classification, dimensions, performance requirements and testing
出版：International Organization for Standardization
专家解读视频
Describes classification, dimensions, performance requirements and testing for hand-held mechanical pencils used for technical drawings.
NF ISO 9177-1:2016 - Identical
DIN ISO 9177-1 : 1990 - Identical
BIS IS/ISO 9177-1 : 1989(R2011) - Identical
SS-ISO 9177-1:2016 - Identical
NEN ISO 9177-1 : 2016 - Identical
NF ISO 9177-1 : 1990 - Identical
UNE 1164-1 : 1996 - Identical
UNI ISO 9177-1:2017 - Identical
SANS 9177-1 : 1989 AMD 1 2007 - Identical
UNI ISO 9177-1 : 2012 - Identical
UNI ISO 9177-1:2017 - Identical
NF ISO 9177-1:2016 - Identical
NEN ISO 9177-1 : 2016 - Identical
SS-ISO 9177-1:2016 - Identical
UNI ISO 9177-1 : 2012 - Identical
NF ISO 9177-1 : 1990 - Identical
