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Graphic Symbol Series of Hanging Gharts-Traffic
1
《China Standardization》 2008年第5期55-55,共1页
This series of hanging charts is easy to read and contains the common symbols used in daily life.The complete series of hanging charts includes traffic,safety and environmental protection symbols。
关键词 Graphic symbol Series of Hanging Gharts-Traffic
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Graphic Symbol Series of Hanging Charts-National Flage
2
《China Standardization》 2008年第5期55-55,共1页
A national flag is the representative symbol of a country.It is displayed on many occasions in society.A code comprised of three letters is delegated to each countryand is often used in
关键词 Graphic symbol Series of Hanging Charts-National Flage
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