DIN 21541:1991-04
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
MINE SUPPORT - GI-SECTIONS
Hardcopy , PDF
01-05-2003
English
01-01-1991
Specifies requirements for GI sections with a height from 100 to 140 mm which have not undergone any machining, used for mine or tunnel support.
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