JP2870728B

PROBLEM TO BE SOLVED: To provide an ultrasonic detecting method in which not only a small leak scale but also a large leak scale can be detected with high sensitivity and at an early stage. SOLUTION: A plurality of transmitting/receiving sensors 6 are installed in the circumferential direction on th...

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Bibliographische Detailangaben
Hauptverfasser: YOSHIZAWA SHUNJI, SHINDO YOSHIHISA
Format: Patent
Sprache:eng
Schlagworte:
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