
Micrographics - Graphical symbols for use in microfilming
出版:International Organization for Standardization

专家解读视频
PN 91/N-09101:1991 - Identical
DIN 19059-2 (1985-11) - Identical
SS 62 23 53 Ed. 1 (1991) - Identical
GB/T 7516-1996 - Equivalent
KS X ISO 9878:2007 - Identical
GB/T 7516-2008 - Modified