BS EN 169:1992

Заменен

Specification for filters for personal eye-protection equipment used in welding and similar operations — 14 стр.

Ссылочные документы

Действует

Personal eye-protection. Filters for welding and related techniques. Transmittance requirements and recommended use — 20 стр.

Заменен

Specification for filters, cover lenses and backing lenses for use during welding and similar operations — 14 стр.

Заменен

Specification for filters, cover lenses and backing lenses for use during welding and similar operations — 14 стр.

Действует

Personal protection - Equipment for eye and face protection during welding and allied processes