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DE2947038A1
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Adjuster without external energy requirement - has operating compressor piston as well as start piston, driven by linear motor
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DE2938105A1
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Temp. converter without external energy - has hot medium pipe coil partly enclosed by tubular boiler
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DE2904264A1
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Low drag cine projector - has floating support supply reel and vertical feed for film
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DE2806772A1
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Lightweight swimming pool cover - comprises inflatable foil sheet with internal hollow permitting sinking when air is released
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DE2534215A1
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Valveless rotary gas engine - has gas channels arranged opposite in stator and rotor
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DE2511959A1
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Right hand margin adjustment for typewriter - types symbol line on film band row of links or matrix band of metal
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DE2503116A1
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METHOD AND DEVICE FOR WINDING FILM OR AUDIO TAPES TO AVOID REWINDING
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