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Roof bolt plates for mining and tunnel support.
STANDARD published on 1.7.1972
Designation standards: DIN 21522:1972-07
Publication date standards: 1.7.1972
SKU: NS-190669
The number of pages: 1
Approximate weight : 3 g (0.01 lbs)
Country: German technical standard
Category: Technical standards DIN
Ankerplatten für den Gruben- und Tunnelausbau.
WITHDRAWN
1.3.1989
WITHDRAWN
1.6.1987
WITHDRAWN
1.6.1987
WITHDRAWN
1.2.1989
WITHDRAWN
1.2.1989
WITHDRAWN
1.6.1987
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