DIN 21605

Auxiliary ventilation for mining; flexible plastic air ducts for exhaust and forced ventilation; spiral air ducts

Deutsches Institut Fur Normung E.V. (German National Standard) , 07/01/1990

Publisher: DIN

File Format: PDF

$18.00$37.00

Published: 07/01/1990

Pages: 3

File Size: 1 file

Language: German

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