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DD246465A3
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Method of flavoring rx seismic examination
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DD225513A1
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Process for receiving the potential distribution of a stretch electrode in the bore
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DD223280A1
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Method for the production of writing poems for electrostatic recording devices
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DD225268A1
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Method and device for electromagnetic sound pulse generation
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DD220161A1
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Circuit arrangement for deterring reading signals in magnetic layer storage
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DD230686A3
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Circuit arrangement for compensation of the time shifts of playback signals of digital magnetic band memory
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DD216982A1
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Caliber knives for small calibrated drilling measuring condens
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DD230650A3
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Method for determining the specific electric resistance to the style
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DD218230A1
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Bridge switching amplifier for motor drives
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DD218797A3
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Reader for magnetic cable marks
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DD218789A3
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Arrangement of radiation detectors on the first point of language radioactively marked solid points
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DD228998A3
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Circuit arrangement for evaluating reading signals in magnetic layer storage
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DD211697A3
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Circuit for the monitoring of termination times in group use of seismic impulse sources
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DD204172A1
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Circuit arrangement for a motor for determining the ribbon speed of magnetic belt drives
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DD203092A1
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Pushing device for falling rock in the use of drilling others
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DD204166A1
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High-pressure and temperature-resistant arrangement for touch-free speed analysis of rotating parts
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DD201214A1
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Circuit arrangement for taktrueck recovery in the demodulation of playing signals
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DD292531A5
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Method for receiving and registering seismic waves by telemetry technology
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DE2807217A1
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Ground air sampling equipment - has free space in incompletely-filled interchangeable sample containers filled with inert gas
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CA817712A
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Device for introducing and removing of guide pulleys in horizontal and inclined holes
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