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2016> 2018 > 01 > In 2016, the independent research and development of the flexible packaging production line obtained the national invention pa

In 2016, the independent research and development of the flexible packaging production line obtained the national invention pa

In 2016, the independent research and development of the flexible packaging production line obtained the national invention pa In

2016, the independent research and development of the flexible packaging production line obtained the national invention patent, subverting the industry tradition and filling the gap of the industry.

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