DIN 21639 - DRAFT

Draft Document - Air regulation systems for mining - Travel-way air locks with pressure-relief air doors

Deutsches Institut Fur Normung E.V. (German National Standard) , 10/01/2015

Publisher: DIN

File Format: PDF

$22.00$45.00

Published: 10/01/2015

Pages: 8

File Size: 1 file

Language: German

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