DIN 21638

Air regulation systems in mining - Wing air locks for travelling tracks - Double-wing type doors with pressure reduction

Deutsches Institut Fur Normung E.V. (German National Standard) , 05/01/1999

Publisher: DIN

File Format: PDF

$22.00$45.00

Published: 05/01/1999

Pages: 5

File Size: 1 file

Language: German

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