Roasting apparatus and metal cans used in roasting apparatus and containing the objects of roasting
The present invention provides a simple roasting apparatus, which can roast raw coffee beans in a can in an amount that can be used up at the same time without the need for metering, etc., when necessary. The present invention is to provide a roasting apparatus having a metal can (10, 10A and 10B) f...
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Format: | Patent |
Sprache: | chi ; eng |
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