High frequency surgical equipment - Part 1: Operation
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High frequency surgical equipment - Part 2: Maintenance
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High frequency surgical equipment - Operation and maintenance
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High frequency surgical equipment and high frequency surgical accessories - Operation and maintenance
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Fibre optics - Parameters of amplifier components
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Optical amplifiers - Part 1: Parameters of amplifier components
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Optical amplifiers - Part 1: Parameters of optical fibre amplifier components
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Optical amplifiers -- Part 12: Fibre amplifiers for space division multiplexing transmission
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Optical amplifier technical reports - Part 2: Theoretical background for noise figure evaluation using the electrical spectrum analyzer
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Optical amplifiers - Part 3: Classification, characteristics and applications
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