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GeoMax http://geomax-positioning.com |
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Hexagon http://www.hexagon.com/en/index.htm |
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CLAUSS http://dr-clauss.de/en/ |
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MicroSurvey http://www.microsurvey.com |
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AGL http://www.agl-lasers.com/ |
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Agatec http://www.agatec.com/ |