утечка и уплотнение

The testing principle and technical characteristics of the packaging airtightness tester The packaging leak tester is also called the packaging leak detector. It is an instrument specially used by production and processing enterprises to test the airtightness of packaging bags, bottles, jars and other containers in the food, dairy and pharmaceutical industries, so as to …

The Testing Principle and Technical Characteristics of the Packaging Airtightness Tester Читать далее "