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Shaped-brick support for use in mines. Common regulations
STANDARD published on 1.1.1993
Designation standards: ČSN 442065
Classification mark: 442065
Catalog number: 28540
Publication date standards: 1.1.1993
SKU: NS-128961
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Norma určuje zásady navrhování, zhotovování a kontroly báňských výstuží z tvárnic vyrobených z obyčejného, hutního, jednoduchého betonu a železobetonu pro vodorovná a svislá báňská díla. ČSN 44 2065 byla vydána v lednu 1993. Nahradila ČSN 72 3310 z 16.12.1970
5.12.1985
9.11.1987
1.5.1993
1.5.1993
1.5.1993
1.5.1993
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