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DE4317405A1
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Personal UV dosimeter
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DE4316469A1
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Audio carrier selection network for a satellite television receiver
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DE4309511A1
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Contact-making element on electrical and mechanical components
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DE4307972A1
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Advantageous development of the circuit for degaussing colour picture tubes
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DE4240352C1
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Demagnetisation circuit for colour CRT - uses controlled semiconductor bridge to supply demagnetisation coil with opposing capacitor voltage
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DD279136A1
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Selection level for two frequency ranges
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DD265990A1
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Color-related network of a multi-system decoder for color tv systems
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DD256212A1
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Protective circuit for electronic modules, particularly in visible equipment with electron beam tubes
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DD252466A1
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Device for ringing development of bored body
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DD218510A1
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Cascode control for the amplification of high frequency signals
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DD209933A1
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Circuit arrangement for connecting a vhf and uhf channel selector
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DD214741A1
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Color selection network for a SECAM-PAL two-system decoder
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