File:Aiga heliport inv.svg - 维基百科，自由的百科全书

描述

English: This image is from a collection commissioned by the United States Department of Transportation and designed by AIGA.

来源

作者

Converted to SVG by User:Evil Monkey.

This image is from the AIGA symbol signs collection which was produced through a collaboration between AIGA and the U.S. Department of Transportation (DOT) in 1974 and 1979. All images in the collection are public domain.

	日期/时间	缩⁠略⁠图	大小	用户	备注
当前	2007年9月28日 (五) 07:32		580 × 580（7 KB）	Evil Monkey	remove transparency from symbol
	2007年9月28日 (五) 07:28		580 × 580（6 KB）	Evil Monkey	{{Information \|Description=This image is from a collection commissioned by the United States Department of Transportation and designed by AIGA \|Source=http://www.aiga.org/content.cfm/symbolsigns \|Date= \|Author=Converted to SVG by Evil Monkey \|Permission=

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