| 摘要 |
<p>The bag has an outer lamina of biodegradable paper, an inner lamina of biodegradable paper, and a plurality of threads, strips or cords of biodegradable paper, arranged between inner and outer lamina. The lamina and the threads, strips or cords of biodegradable paper are treated with biodegradable waxes and resins to provide a certain resistance and porosity against bactericides and fungicides.</p> |
