DIN EN 61290-6-1:1999-08 Optical fibre amplifiers - Basic specification - Part 6-1: Test methods for pump leakage parameters; optical demultiplexer (IEC 61290-6-1:1998); German version EN 61290-6-1:1998
1999DIN EN 61290-6-1:1999-08 Optical fibre amplifiers - Basic specification - Part 6-1: Test methods for pump leakage parameters; optical demultiplexer (IEC 61290-6-1:1998); German version EN 61290-6-1:1998
1999DIN EN 61290-6-1:1999 Optical fibre amplifiers - Basic specification - Part 6-1: Test methods for pump leakage parameters; optical demultiplexer (IEC 61290-6-1:1998); German version EN 61290-6-1:1998