DIN 21539
Mine support - Supports of steel for the roadway support; marking
inactive
| Organization: | DIN |
| Publication Date: | 1 August 1954 |
| Status: | inactive |
| Page Count: | 1 |
| ICS Code (Tunnelling and tubing equipment): | 73.100.10 |
Document History
January 1, 1988
Mine support; steel roadway support and other mine components; marking
A description is not available for this item.
November 1, 1960
Supports of steel for the roadway support, marking
A description is not available for this item.
April 1, 1957
Supports of steel for the roadway support, marking
A description is not available for this item.
DIN 21539
August 1, 1954
Mine support - Supports of steel for the roadway support; marking
A description is not available for this item.