Recommandations de la C.E.I. relatives a la couleur des boutons-poussoirs = I.E.C. recommendations regarding the colour of push-buttons.
| Corporate Author: | |
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| Format: | Book |
| Language: | French |
| Published: |
Geneve, Suisse :
Bureau Central de la C.E.I.,
1955.
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| Series: | Publication (International Electrotechnical Commission) ;
73. |
| Subjects: |
| Item Description: | French and English |
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| Physical Description: | 5 pages ; 30 cm. |