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Application filed by Nissho Kogyo Kk, Taiyo Toyo Sanso KkfiledCriticalNissho Kogyo Kk
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Publication of TW277097BpublicationCriticalpatent/TW277097B/en
A method for investigating the leakage of underground water tube has the following characteristics. The rare-gas detector is moved from one end to the other end along the underground tube. Set the running periods of the tracer and the common water within the whole rare-gas-detecting period.
TW83102178A1993-12-071994-03-14Method of investigating the leakage of underground water tube
TW277097B
(en)