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DIN 21539

Supports of steel for the roadway support, marking

inactive
Organization: DIN
Publication Date: 1 April 1957
Status: inactive
Page Count: 2
ICS Code (Tunnelling and tubing equipment): 73.100.10

Document History

DIN 21539
January 1, 1988
Mine support; steel roadway support and other mine components; marking
A description is not available for this item.
DIN 21539
November 1, 1960
Supports of steel for the roadway support, marking
A description is not available for this item.
DIN 21539
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.
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