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2006BS EN 61300-3-1:2006 Fire optic interconnecting devices and passive components. Basic test and measurement procedures. Examinations and measurements. Visual examination
2006BS EN 61300-3-1:2005 Fire optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-1: Examinations and measurements - Visual examination
1997BS EN 61300-3-1:1997 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Examinations and measurements-Visual examination