BS EN 171:1992

Specification for infra-red filters used in personal eye-protection equipment.

NORMA vydaná dňa 15.12.1992

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The information about the standard:

Designation standards: BS EN 171:1992
Note: NEPLATNÁ
Publication date standards: 15.12.1992
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategória: Technické normy BS