| 摘要 |
Pre-packaged ground coffee portion comprising a container body (10) completely made of paper, paperboard or similar cellulosic materials, provided at the bottom wall (13) thereof with a plurality of holes (15) which are permeable to water while being substantially non-permeable to ground coffee, and provided with a filter material layer (17) as a closing surface which is also derived from cellulose and permeable to water while being substantially non-permeable to ground coffee, said filter material layer (17) being preferably similar to the bottom wall; and a machine suitably designed to use said portion.
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