by observing bubbles in a liquid pool

Full Title

Investigating fluid-tightness of structures > by using fluid or vacuum > by detecting the presence of fluid at the leakage point > by observing bubbles in a liquid pool

Child Classifications

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• G01M 3/08 for pipes, cables or tubes; for pipe joints or seals; for valves;
• G01M 3/10 for containers, e.g. radiators