PIPELINE SORTING APPARATUS PIPELINE SORTING METHOD AND PIPELINE POSITIONING SYSTEM

The present invention is to simply sort usage of a pipe with good precision. The pipe sorting device (10) includes a ray source unit (11) which pinches an underground embedded pipe (P), and a radiation detection unit (12). The radiation detection unit detects a coefficient value of a radioactive ray...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IWAKI YOSHITERU, SUMIKAWA TAKESHI, YAMAMOTO KATSUYA, KOBAYASHI HIRONOBU, KOTANI KATSUHIKO, UEDA KOUJIROU, AKANE HIDEKI
Format: Patent
Sprache:eng ; kor
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