Modifikasi Mesin Pengupas Kulit Biji Kopi Kering Sistem Rotate Peeler untuk Menaikkan Kualitas Produk 来自 Semantic Scholar 喜欢 0 阅读量: 7 作者: B Sumiyarso 摘要: A dry coffee skin peeler machine with a rotate peeler system has been applied to the Sido Rukun VI farmer group, Kalisari ...