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.

UNI ISO 6428 : 1984 - Identical

NEN ISO 6428 : 1992 - Identical

NS 2403 : 1985 - Identical

DS EN ISO 6428 : 1999 - Identical

DIN ISO 6428 E : 1997 - Identical

BIS IS 10164 : 1985(R2005) - Identical

PN EN ISO 6428 : 2002 - Identical

UNE 1110 : 1989 - Identical

DIN 6774-1 : 1986 - Similar to

DIN 6774-1 E : 1986 - Similar to

SN ISO 6428 : 1988 - Identical

DIN ISO 6428 : 1997-03 - Identical