NF C93-805-6-1*NF EN 61290-6-1:1998 Optical fibre amplifiers. Basic specification. Part 6-1 : test methods for pump leakage parameters. Optical demultiplexer.
1998NF C93-805-6-1*NF EN 61290-6-1:1998 Optical fibre amplifiers. Basic specification. Part 6-1 : test methods for pump leakage parameters. Optical demultiplexer.