411 REFERENCE · Wiktionary
B1
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
thumb|The relative size of B1 paper.
Etymology
paper size Specified in ISO 216.
Symbol
en education languages Symbol for the third language certificate of the Common European Framework of Reference for Languages
1 1 a bond is highly speculative with high risk of default
707 1000
See also