Technical drawings. Requirements for microcopying Ingestion-build-132972 3 Diffuse sound field

3 Diffuse sound field

a whole building

3 Durability of markings

7 Bolus volume

Signal state

Technical drawings. Requirements for microcopying Ingestion-build-132972 3 Diffuse sound field1 Scope and field of application This International Standard specifies the requirements to be observed when executing original technical drawings and other drawing office documents which are to be microcopied. These requirements will provide for high quality microforms with 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