DIN 21638:1999-05

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

STANDARD published on 1.5.1999

The information about the standard:

Designation standards: DIN 21638:1999-05
Note: WITHDRAWN
Publication date standards: 1.5.1999
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: German technical standard
Category: Technical standards DIN