AIR-PERMEABLE WATERPROOF FILTER AND GAS DETECTOR
PROBLEM TO BE SOLVED: To provide a gas-permeable waterproof filter and gas detector, which can be used for detecting gas in water under high pressure.SOLUTION: An air-permeable waterproof filter 4 is provided that is used in a gas detector 100 for use under high water pressure. The air-permeable wat...
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Format: | Patent |
Sprache: | eng ; jpn |
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