DIN 21521 : 1972
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
ROOF BOLTS FOR MINING AND TUNNEL SUPPORT
Superseded date
01-07-1990
Superseded by
Published date
12-01-2013
Sorry this product is not available in your region.
| DocumentType |
Standard
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| SupersededBy |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.