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US07927642B2 Method for making coffee with a crema layer 失效
制作咖喱层的方法

Method for making coffee with a crema layer
Abstract:
A method for brewing coffee, including the steps of transferring ground coffee to a brewing chamber, compressing the ground coffee, and forcing pressurized hot water through the ground coffee, thereby causing brewed coffee to emerge through a micro-filter, wherein the ratio of weight of ground coffee contained in the brewing chamber to volume of pressurized hot water forced through the ground coffee is 6 grams per fluid ounce or less.
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