NBN EN ISO 6428 : 1999
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The latest, up-to-date edition.
WETENSCHAPPELINKE TEKENINGEN - EISEN VOOR MICROVERFILMING
12-01-2013
Defines the requirements to be observed when executing original technical drawings and other drawing office documents which are to be microcopied. The requirements will provide for high quality microforms which legible enlargement copies can be made. However, the application of these rules is also very beneficial for other methods of reproduction and it is therefore, recommended that all drawing office documents are executed in accordance with this standard, thereby being available for microcopying at a future date.
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