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- "differential pressure leak tester" gb/t 25752 - 2010
- “ laminar type flow sensor verification regulation” jjg7 36-20 xx
- "the durability requirements and experimental methods of the reed type secondary air supply institutions of motorcycles and scooters , qct817-2009
- "differential pressure leak detection method of components" gjb x x x x x x x x
- leak detection method for military sealed components gjbz 221-2005
