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September 2019

Direct Pressure_Single Channel_Mobile Phone Waterproof Pouch

Air tightness tester for cell phone waterproof bag

手机防水袋气密性测试机：精诚工科 JC- […]

Direct Pressure_Dual Channel_In-Line Headset

Sports headphones air tightness tester

Bluetooth in-line headset air tightness tester: Instrument Model: JC