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US2003085750A1
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Semiconductor component for direct gate control and monitoring of power semiconductor switches
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DE1117650B
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Electric hearing glasses
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DE1005143B
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Cup circle with adjustable temperature coefficient
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DE969604C
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Electric flashlight device with adjustable discharge duration
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DE1003863B
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Flash tube device
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DE964515C
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Portable audio frequency amplifier with built-in microphone, especially hearing aid equipment
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DE1044169B
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Magnetic-electric acoustic transducer
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DE1008016B
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Sound head guide for magnetic sound recorder with disc-shaped sound carrier
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DE950474C
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Arrangement for securing routes and air spaces
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DE955156C
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Method for forwarding an incoming call via a radio communication device to the absent subscriber
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DE951610C
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Method for recording series images on an intermittently moving film strip of objects illuminated with flash light
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DE1045680B
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Device for automatic switching on and off of the recording or playback amplifier in sound recorders and playback devices
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DE960386C
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Recording and playback device for magnetic sound recording on a sheet-shaped sound carrier
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DE961446C
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High frequency device with a dielectric window
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DE1006913B
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Magnetron tubes with cup circle
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DE1019478B
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Device for the gradual adjustment of a tonearm
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DE1103478B
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Band filter for wide frequency bands
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DE967247C
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Sound recording and / or playback device with swiveling sound head
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DE948285C
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Sound recording and reproducing device for disc-shaped, flexible sound carriers
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DE971662C
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Method and device for regrinding worn magnetic sound heads with support stones
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