Online Standards Store PDF
Optical fibres. Part 1-44. Measurement methods and test procedures. Cut-off wavelength
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Oscillator tubes with anode dissipation above 25 W. Method of electric strength test
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Printed boards. Part 4-1. Rigid multilayer printed boards with interlayer connections. Sectional specification. Section 1. Capability Detail Specification. Performance levels A, B and C
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Communication networks and systems in substations. Part 5. Communication requirements for functions and device models
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Objective lenses. Methods of measuring the flange focal and back focus distances
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