COMPASS (GEOPHYSICS)
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BTTERRESTRIAL MAGNETISM + GEOMAGNETISM (GEOPHYSICS)
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BTNAVIGATION INSTRUMENTS
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UDC550.380.84
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Descriptor GERKOMPASSE (GEOPHYSIK)
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Descriptor ENGCOMPASS (GEOPHYSICS)
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Descriptor FREBOUSSOLES (GÉOPHYSIQUE)
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Variant GERDEVIATION/ERDMAGNETFELD (GEOPHYSIK)
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Variant GERKOMPENSATION/ERDMAGNEFELD (GEOPHYSIK)
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Variant ENGDEVIATION/TERRESTRIAL MAGNETISM (GEOPHYSICS)
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Variant ENGCOMPENSATION/TERRESTRIAL MAGNETISM (GEOPHYSICS)
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Variant FREDEVIATION/MAGNÉTISM TERRESTRE (GÉOPHYSIQUE)
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Variant FRECOMPENSATION/MAGNÉTISME TERRESTRE (GÉOPHYSIQUE)
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NTGEOMAGNETIC DECLINATION (GEOPHYSICS)
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NTMAGNETIC INCLINATION (GEOPHYSICS)