
Ball point pens and refills Part 2: Documentary use (DOC)
出版:International Organization for Standardization

专家解读视频
SS ISO 12757-2 Ed. 1 (1998) - Identical
NF ISO 12757-2:1998 - Identical
DIN ISO 12757-2 (1999-02) - Identical
JIS S 6039:2006 - Identical
GB/T 26714-2011 - Modified