Symbol 6343 from IEC 60417 - Title/Meaning: Maximum altitude <br>
Function/description: [To indicate that the appliance is intended to be usable up to the maximum altitude 3 000 m. The letter symbols ""3 000"" may be replaced by those for a different numerical value (in metres) in agreement with actual applications. The recommended value should be either 2 000, 3 000, 4 000, or 5 000 (metres).]
<b>Vectorization: </b> <a href="//commons.wikimedia.org/wiki/User:Mrmw" title="User:Mrmw">Mrmw</a>
2015-06-27
Own work  using: <span class="url"><a rel="nofollow" class="external text" href="https://www.iso.org/obp/graphics/grs/5bf8cf7b-d2b4-4a51-81d4-d5c21264d070_200.png">iso.org/obp/graphics/grs/5bf8cf7b-d2b4-4a51-81d4-d5c21264d070 200.png</a></span>