Lighting of traffic signs /
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| 企业作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | English |
| 出版: |
Paris :
Bureau central de la CIE,
1978.
|
| 丛编: | Publication CIE ;
no 35 |
| 主题: |
| Item Description: | Summary in French and German. |
|---|---|
| 实物描述: | 23 p. : ill. ; 30 cm. |